qcsrc/server/bot/default/waypoints.qc

   1 #include "waypoints.qh"
   2
   3 #include <common/constants.qh>
   4 #include <common/debug.qh>
   5 #include <common/gamemodes/_mod.qh>
   6 #include <common/mapobjects/trigger/jumppads.qh>
   7 #include <common/net_linked.qh>
   8 #include <common/physics/player.qh>
   9 #include <common/state.qh>
  10 #include <common/stats.qh>
  11 #include <common/weapons/_all.qh>
  12 #include <lib/warpzone/common.qh>
  13 #include <lib/warpzone/util_server.qh>
  14 #include <server/antilag.qh>
  15 #include <server/bot/default/bot.qh>
  16 #include <server/bot/default/cvars.qh>
  17 #include <server/bot/default/navigation.qh>
  18 #include <server/items/items.qh>
  19 #include <server/spawnpoints.qh>
  20 #include <server/weapons/tracing.qh>
  21
  22 .entity spawnpointmodel;
  23 void waypoint_unreachable(entity pl)
  24 {
  25         IL_EACH(g_waypoints, true,
  26         {
  27                 it.colormod = '0.5 0.5 0.5';
  28                 it.effects &= ~(EF_NODEPTHTEST | EF_RED | EF_BLUE);
  29         });
  30
  31         entity e2 = navigation_findnearestwaypoint(pl, false);
  32         if(!e2)
  33         {
  34                 LOG_INFO("Can't find any waypoint nearby\n");
  35                 return;
  36         }
  37
  38         navigation_markroutes(pl, e2);
  39
  40         int j = 0;
  41         int m = 0;
  42         IL_EACH(g_waypoints, it.wpcost >= 10000000,
  43         {
  44                 LOG_INFO("unreachable: ", etos(it), " ", vtos(it.origin), "\n");
  45                 it.colormod_z = 8;
  46                 it.effects |= EF_NODEPTHTEST | EF_BLUE;
  47                 j++;
  48                 m++;
  49         });
  50         if (j) LOG_INFOF("%d waypoints cannot be reached from here in any way (marked with blue light)\n", j);
  51         navigation_markroutes_inverted(e2);
  52
  53         j = 0;
  54         IL_EACH(g_waypoints, it.wpcost >= 10000000,
  55         {
  56                 LOG_INFO("cannot reach me: ", etos(it), " ", vtos(it.origin), "\n");
  57                 it.colormod_x = 8;
  58                 if (!(it.effects & EF_NODEPTHTEST))  // not already reported before
  59                         m++;
  60                 it.effects |= EF_NODEPTHTEST | EF_RED;
  61                 j++;
  62         });
  63         if (j) LOG_INFOF("%d waypoints cannot walk to here in any way (marked with red light)\n", j);
  64         if (m) LOG_INFOF("%d waypoints have been marked total\n", m);
  65
  66         j = 0;
  67         IL_EACH(g_spawnpoints, true,
  68         {
  69                 if (navigation_findnearestwaypoint(it, false))
  70                 {
  71                         if(it.spawnpointmodel)
  72                         {
  73                                 delete(it.spawnpointmodel);
  74                                 it.spawnpointmodel = NULL;
  75                         }
  76                 }
  77                 else
  78                 {
  79                         if(!it.spawnpointmodel)
  80                         {
  81                                 tracebox(it.origin, PL_MIN_CONST, PL_MAX_CONST, it.origin - '0 0 512', MOVE_NOMONSTERS, NULL);
  82                                 entity e = new(spawnpointmodel);
  83                                 vector org = trace_endpos + eZ;
  84                                 setorigin(e, org);
  85                                 e.solid = SOLID_TRIGGER;
  86                                 it.spawnpointmodel = e;
  87                         }
  88                         LOG_INFO("spawn without waypoint: ", etos(it), " ", vtos(it.origin), "\n");
  89                         it.spawnpointmodel.effects |= EF_NODEPTHTEST;
  90                         _setmodel(it.spawnpointmodel, pl.model);
  91                         it.spawnpointmodel.frame = pl.frame;
  92                         it.spawnpointmodel.skin = pl.skin;
  93                         it.spawnpointmodel.colormap = pl.colormap;
  94                         it.spawnpointmodel.colormod = pl.colormod;
  95                         it.spawnpointmodel.glowmod = pl.glowmod;
  96                         setsize(it.spawnpointmodel, PL_MIN_CONST, PL_MAX_CONST);
  97                         j++;
  98                 }
  99         });
 100         if (j) LOG_INFOF("%d spawnpoints have no nearest waypoint (marked by player model)\n", j);
 101
 102         j = 0;
 103         IL_EACH(g_items, true,
 104         {
 105                 it.effects &= ~(EF_NODEPTHTEST | EF_RED | EF_BLUE);
 106                 it.colormod = '0.5 0.5 0.5';
 107         });
 108         IL_EACH(g_items, true,
 109         {
 110                 if (navigation_findnearestwaypoint(it, false))
 111                         continue;
 112                 LOG_INFO("item without waypoint: ", etos(it), " ", vtos(it.origin), "\n");
 113                 it.effects |= EF_NODEPTHTEST | EF_RED;
 114                 it.colormod_x = 8;
 115                 j++;
 116         });
 117         if (j) LOG_INFOF("%d items have no nearest waypoint and cannot be walked away from (marked with red light)\n", j);
 118
 119         j = 0;
 120         IL_EACH(g_items, true,
 121         {
 122                 if (navigation_findnearestwaypoint(it, true))
 123                         continue;
 124                 LOG_INFO("item without waypoint: ", etos(it), " ", vtos(it.origin), "\n");
 125                 it.effects |= EF_NODEPTHTEST | EF_BLUE;
 126                 it.colormod_z = 8;
 127                 j++;
 128         });
 129         if (j) LOG_INFOF("%d items have no nearest waypoint and cannot be walked to (marked with blue light)\n", j);
 130 }
 131
 132 void waypoint_getSymmetricalAxis_cmd(entity caller, bool save, int arg_idx)
 133 {
 134         vector v1 = stov(argv(arg_idx++));
 135         vector v2 = stov(argv(arg_idx++));
 136         vector mid = (v1 + v2) / 2;
 137
 138         float diffy = (v2.y - v1.y);
 139         float diffx = (v2.x - v1.x);
 140         if (v1.y == v2.y)
 141                 diffy = 0.000001;
 142         if (v1.x == v2.x)
 143                 diffx = 0.000001;
 144         float m = - diffx / diffy;
 145         float q = - m * mid.x + mid.y;
 146         if (fabs(m) <= 0.000001) m = 0;
 147         if (fabs(q) <= 0.000001) q = 0;
 148
 149         string axis_str =  strcat(ftos(m), " ", ftos(q));
 150         if (save)
 151                 cvar_set("g_waypointeditor_symmetrical_axis", axis_str);
 152         axis_str = strcat("\"", axis_str, "\"");
 153         sprint(caller, strcat("Axis of symmetry based on input points: ", axis_str, "\n"));
 154         if (save)
 155                 sprint(caller, sprintf(" ^3saved to %s\n", "g_waypointeditor_symmetrical_axis"));
 156         if (save)
 157         {
 158                 cvar_set("g_waypointeditor_symmetrical", "-2");
 159                 sprint(caller, strcat("g_waypointeditor_symmetrical", " has been set to ",
 160                         cvar_string("g_waypointeditor_symmetrical"), "\n"));
 161         }
 162 }
 163
 164 void waypoint_getSymmetricalOrigin_cmd(entity caller, bool save, int arg_idx)
 165 {
 166         vector org = '0 0 0';
 167         int ctf_flags = 0;
 168         for (int i = 0; i < 6; i++)
 169         {
 170                 if (argv(arg_idx + i) != "")
 171                         ctf_flags++;
 172         }
 173         if (ctf_flags < 2)
 174         {
 175                 ctf_flags = 0;
 176                 org = vec2(havocbot_middlepoint);
 177                 if (argv(arg_idx) != "")
 178                         sprint(caller, "WARNING: Ignoring single input point\n");
 179                 if (havocbot_middlepoint_radius == 0)
 180                 {
 181                         sprint(caller, "Origin of symmetry can't be automatically determined\n");
 182                         return;
 183                 }
 184         }
 185         else
 186         {
 187                 vector v1, v2, v3, v4, v5, v6;
 188                 for (int i = 1; i <= ctf_flags; i++)
 189                 {
 190                         if (i == 1) { v1 = stov(argv(arg_idx++)); org = v1 / ctf_flags; }
 191                         else if (i == 2) { v2 = stov(argv(arg_idx++)); org += v2 / ctf_flags; }
 192                         else if (i == 3) { v3 = stov(argv(arg_idx++)); org += v3 / ctf_flags; }
 193                         else if (i == 4) { v4 = stov(argv(arg_idx++)); org += v4 / ctf_flags; }
 194                         else if (i == 5) { v5 = stov(argv(arg_idx++)); org += v5 / ctf_flags; }
 195                         else if (i == 6) { v6 = stov(argv(arg_idx++)); org += v6 / ctf_flags; }
 196                 }
 197         }
 198
 199         if (fabs(org.x) <= 0.000001) org.x = 0;
 200         if (fabs(org.y) <= 0.000001) org.y = 0;
 201         string org_str = strcat(ftos(org.x), " ", ftos(org.y));
 202         if (save)
 203         {
 204                 cvar_set("g_waypointeditor_symmetrical_origin", org_str);
 205                 cvar_set("g_waypointeditor_symmetrical_order", ftos(ctf_flags));
 206         }
 207         org_str = strcat("\"", org_str, "\"");
 208
 209         if (ctf_flags < 2)
 210                 sprint(caller, strcat("Origin of symmetry based on flag positions: ", org_str, "\n"));
 211         else
 212                 sprint(caller, strcat("Origin of symmetry based on input points: ", org_str, "\n"));
 213         if (save)
 214                 sprint(caller, sprintf(" ^3saved to %s\n", "g_waypointeditor_symmetrical_origin"));
 215
 216         if (ctf_flags < 2)
 217                 sprint(caller, "Order of symmetry: 0 (autodetected)\n");
 218         else
 219                 sprint(caller, strcat("Order of symmetry: ", ftos(ctf_flags), "\n"));
 220         if (save)
 221                 sprint(caller, sprintf(" ^3saved to %s\n", "g_waypointeditor_symmetrical_order"));
 222
 223         if (save)
 224         {
 225                 if (ctf_flags < 2)
 226                         cvar_set("g_waypointeditor_symmetrical", "0");
 227                 else
 228                         cvar_set("g_waypointeditor_symmetrical", "-1");
 229                 sprint(caller, strcat("g_waypointeditor_symmetrical", " has been set to ",
 230                         cvar_string("g_waypointeditor_symmetrical"), "\n"));
 231         }
 232 }
 233
 234 vector waypoint_getSymmetricalPoint(vector org, int ctf_flags)
 235 {
 236         vector new_org = org;
 237         if (fabs(autocvar_g_waypointeditor_symmetrical) == 1)
 238         {
 239                 vector map_center = havocbot_middlepoint;
 240                 if (autocvar_g_waypointeditor_symmetrical == -1)
 241                         map_center = autocvar_g_waypointeditor_symmetrical_origin;
 242
 243                 new_org = Rotate(org - map_center, 360 * DEG2RAD / ctf_flags) + map_center;
 244         }
 245         else if (fabs(autocvar_g_waypointeditor_symmetrical) == 2)
 246         {
 247                 float m = havocbot_symmetry_axis_m;
 248                 float q = havocbot_symmetry_axis_q;
 249                 if (autocvar_g_waypointeditor_symmetrical == -2)
 250                 {
 251                         m = autocvar_g_waypointeditor_symmetrical_axis.x;
 252                         q = autocvar_g_waypointeditor_symmetrical_axis.y;
 253                 }
 254
 255                 new_org.x = (1 / (1 + m*m)) * ((1 - m*m) * org.x + 2 * m * org.y - 2 * m * q);
 256                 new_org.y = (1 / (1 + m*m)) * (2 * m * org.x + (m*m - 1) * org.y + 2 * q);
 257         }
 258         new_org.z = org.z;
 259         return new_org;
 260 }
 261
 262 void crosshair_trace_waypoints(entity pl);
 263 void waypoint_lock(entity pl)
 264 {
 265         crosshair_trace_waypoints(pl);
 266         pl.wp_locked = trace_ent;
 267 }
 268
 269 bool waypoint_has_hardwiredlinks(entity wp)
 270 {
 271         if (!wp)
 272                 return false;
 273         return (wp.wphw00 != NULL);
 274 }
 275
 276 bool waypoint_is_hardwiredlink(entity wp_from, entity wp_to)
 277 {
 278         if (!(wp_from && wp_to))
 279                 return false;
 280
 281         if (!wp_from.wphw00) return false; else if (wp_from.wphw00 == wp_to) return true;
 282         if (!wp_from.wphw01) return false; else if (wp_from.wphw01 == wp_to) return true;
 283         if (!wp_from.wphw02) return false; else if (wp_from.wphw02 == wp_to) return true;
 284         if (!wp_from.wphw03) return false; else if (wp_from.wphw03 == wp_to) return true;
 285         if (!wp_from.wphw04) return false; else if (wp_from.wphw04 == wp_to) return true;
 286         if (!wp_from.wphw05) return false; else if (wp_from.wphw05 == wp_to) return true;
 287         if (!wp_from.wphw06) return false; else if (wp_from.wphw06 == wp_to) return true;
 288         if (!wp_from.wphw07) return false; else if (wp_from.wphw07 == wp_to) return true;
 289
 290         return false;
 291 }
 292
 293 void waypoint_setupmodel(entity wp);
 294 void waypoint_mark_hardwiredlink(entity wp_from, entity wp_to)
 295 {
 296         if (!(wp_from && wp_to))
 297                 return;
 298
 299         if (!wp_from.wphw00 || wp_from.wphw00 == wp_to) { wp_from.wphw00 = wp_to; waypoint_setupmodel(wp_from); return; }
 300         if (!wp_from.wphw01 || wp_from.wphw01 == wp_to) { wp_from.wphw01 = wp_to; return; }
 301         if (!wp_from.wphw02 || wp_from.wphw02 == wp_to) { wp_from.wphw02 = wp_to; return; }
 302         if (!wp_from.wphw03 || wp_from.wphw03 == wp_to) { wp_from.wphw03 = wp_to; return; }
 303         if (!wp_from.wphw04 || wp_from.wphw04 == wp_to) { wp_from.wphw04 = wp_to; return; }
 304         if (!wp_from.wphw05 || wp_from.wphw05 == wp_to) { wp_from.wphw05 = wp_to; return; }
 305         if (!wp_from.wphw06 || wp_from.wphw06 == wp_to) { wp_from.wphw06 = wp_to; return; }
 306         if (!wp_from.wphw07 || wp_from.wphw07 == wp_to) { wp_from.wphw07 = wp_to; return; }
 307
 308         return;
 309 }
 310
 311 void waypoint_unmark_hardwiredlink(entity wp_from, entity wp_to)
 312 {
 313         if (!(wp_from && wp_to))
 314                 return;
 315
 316         int removed = -1;
 317         if (removed < 0 && wp_from.wphw00 == wp_to) removed = 0;
 318         if (removed < 0 && wp_from.wphw01 == wp_to) removed = 1;
 319         if (removed < 0 && wp_from.wphw02 == wp_to) removed = 2;
 320         if (removed < 0 && wp_from.wphw03 == wp_to) removed = 3;
 321         if (removed < 0 && wp_from.wphw04 == wp_to) removed = 4;
 322         if (removed < 0 && wp_from.wphw05 == wp_to) removed = 5;
 323         if (removed < 0 && wp_from.wphw06 == wp_to) removed = 6;
 324         if (removed < 0 && wp_from.wphw07 == wp_to) removed = 7;
 325
 326         if (removed >= 0)
 327         {
 328                 if (removed <= 0) wp_from.wphw00 = wp_from.wphw01;
 329                 if (removed <= 1) wp_from.wphw01 = wp_from.wphw02;
 330                 if (removed <= 2) wp_from.wphw02 = wp_from.wphw03;
 331                 if (removed <= 3) wp_from.wphw03 = wp_from.wphw04;
 332                 if (removed <= 4) wp_from.wphw04 = wp_from.wphw05;
 333                 if (removed <= 5) wp_from.wphw05 = wp_from.wphw06;
 334                 if (removed <= 6) wp_from.wphw06 = wp_from.wphw07;
 335                 if (removed <= 7) wp_from.wphw07 = NULL;
 336                 if (!wp_from.wphw00)
 337                         waypoint_setupmodel(wp_from);
 338         }
 339
 340         return;
 341 }
 342
 343 void waypoint_restore_hardwiredlinks(entity wp)
 344 {
 345         if (wp.wphw00) waypoint_addlink(wp, wp.wphw00);
 346         if (wp.wphw01) waypoint_addlink(wp, wp.wphw01);
 347         if (wp.wphw02) waypoint_addlink(wp, wp.wphw02);
 348         if (wp.wphw03) waypoint_addlink(wp, wp.wphw03);
 349         if (wp.wphw04) waypoint_addlink(wp, wp.wphw04);
 350         if (wp.wphw05) waypoint_addlink(wp, wp.wphw05);
 351         if (wp.wphw06) waypoint_addlink(wp, wp.wphw06);
 352         if (wp.wphw07) waypoint_addlink(wp, wp.wphw07);
 353 }
 354
 355 void waypoint_setupmodel(entity wp)
 356 {
 357         if (autocvar_g_waypointeditor)
 358         {
 359                 // TODO: add some sort of visible box in edit mode for box waypoints
 360                 vector m1 = wp.mins;
 361                 vector m2 = wp.maxs;
 362                 setmodel(wp, MDL_WAYPOINT);
 363                 setsize(wp, m1, m2);
 364                 wp.effects = EF_LOWPRECISION;
 365                 if (wp.wpflags & WAYPOINTFLAG_ITEM)
 366                         wp.colormod = '1 0 0'; // red
 367                 else if (wp.wpflags & WAYPOINTFLAG_GENERATED)
 368                         wp.colormod = '1 1 0'; // yellow
 369                 else if (wp.wpflags & WAYPOINTFLAG_SUPPORT)
 370                         wp.colormod = '0 1 0'; // green
 371                 else if (wp.wpflags & WAYPOINTFLAG_CUSTOM_JP)
 372                         wp.colormod = '1 0.5 0'; // orange
 373                 else if (wp.wpflags & WAYPOINTFLAG_TELEPORT)
 374                         wp.colormod = '1 0.5 0'; // orange
 375                 else if (wp.wpflags & WAYPOINTFLAG_LADDER)
 376                         wp.colormod = '1 0.5 0'; // orange
 377                 else if (wp.wpflags & WAYPOINTFLAG_JUMP)
 378                         wp.colormod = '1 0.5 0'; // orange
 379                 else if (wp.wpflags & WAYPOINTFLAG_CROUCH)
 380                         wp.colormod = '0 1 1'; // cyan
 381                 else if (waypoint_has_hardwiredlinks(wp))
 382                         wp.colormod = '0.5 0 1'; // purple
 383                 else
 384                         wp.colormod = '1 1 1';
 385         }
 386         else
 387                 wp.model = "";
 388 }
 389
 390 string waypoint_get_type_name(entity wp)
 391 {
 392         if (wp.wpflags & WAYPOINTFLAG_ITEM) return "^1Item waypoint";
 393         else if (wp.wpflags & WAYPOINTFLAG_CROUCH) return "^5Crouch waypoint";
 394         else if (wp.wpflags & WAYPOINTFLAG_JUMP) return "^xf80Jump waypoint";
 395         else if (wp.wpflags & WAYPOINTFLAG_SUPPORT) return "^2Support waypoint";
 396         else if (waypoint_has_hardwiredlinks(wp)) return "^x80fHardwired waypoint";
 397         else if (wp.wpflags & WAYPOINTFLAG_LADDER) return "^3Ladder waypoint";
 398         else if (wp.wpflags & WAYPOINTFLAG_TELEPORT)
 399         {
 400                 if (!wp.wpisbox) return "^3Warpzone waypoint";
 401                 else if (wp.wpflags & WAYPOINTFLAG_CUSTOM_JP) return "^3Custom jumppad waypoint";
 402                 else
 403                 {
 404                         IL_EACH(g_jumppads, boxesoverlap(wp.absmin, wp.absmax, it.absmin, it.absmax),
 405                                 { return "^3Jumppad waypoint"; });
 406                         return "^3Teleport waypoint";
 407                 }
 408         }
 409
 410         return "^7Waypoint";
 411 }
 412
 413 entity waypoint_get(vector m1, vector m2)
 414 {
 415         if (m1 == m2)
 416         {
 417                 m1 -= '8 8 8';
 418                 m2 += '8 8 8';
 419         }
 420         IL_EACH(g_waypoints, boxesoverlap(m1, m2, it.absmin, it.absmax), { return it; });
 421
 422         return NULL;
 423 }
 424
 425 .float createdtime;
 426 entity waypoint_spawn(vector m1, vector m2, float f)
 427 {
 428         if(!(f & (WAYPOINTFLAG_PERSONAL | WAYPOINTFLAG_GENERATED)) && m1 == m2)
 429         {
 430                 entity wp_found = waypoint_get(m1, m2);
 431                 if (wp_found)
 432                         return wp_found;
 433         }
 434         // spawn only one destination waypoint for teleports teleporting player to the exact same spot
 435         // otherwise links loaded from file would be applied only to the first destination
 436         // waypoint since link format doesn't specify waypoint entities but just positions
 437         if((f & WAYPOINTFLAG_GENERATED) && !(f & (WPFLAGMASK_NORELINK | WAYPOINTFLAG_PERSONAL)) && m1 == m2)
 438         {
 439                 IL_EACH(g_waypoints, boxesoverlap(m1, m2, it.absmin, it.absmax),
 440                 {
 441                         return it;
 442                 });
 443         }
 444
 445         entity w = new(waypoint);
 446         IL_PUSH(g_waypoints, w);
 447         w.dphitcontentsmask = DPCONTENTS_SOLID | DPCONTENTS_BODY | DPCONTENTS_PLAYERCLIP | DPCONTENTS_BOTCLIP;
 448         w.wpflags = f;
 449         w.solid = SOLID_TRIGGER;
 450         w.createdtime = time;
 451         setorigin(w, (m1 + m2) * 0.5);
 452         setsize(w, m1 - w.origin, m2 - w.origin);
 453         if (w.size)
 454                 w.wpisbox = true;
 455
 456         if(!w.wpisbox)
 457         {
 458                 if (f & WAYPOINTFLAG_CROUCH)
 459                         setsize(w, PL_CROUCH_MIN_CONST - '1 1 0', PL_CROUCH_MAX_CONST + '1 1 0');
 460                 else
 461                         setsize(w, PL_MIN_CONST - '1 1 0', PL_MAX_CONST + '1 1 0');
 462                 if(!move_out_of_solid(w))
 463                 {
 464                         if(!(f & WAYPOINTFLAG_GENERATED))
 465                         {
 466                                 LOG_TRACE("Killed a waypoint that was stuck in solid at ", vtos(w.origin));
 467                                 delete(w);
 468                                 return NULL;
 469                         }
 470                         else
 471                         {
 472                                 if(autocvar_developer > 0)
 473                                 {
 474                                         LOG_INFO("A generated waypoint is stuck in solid at ", vtos(w.origin));
 475                                         backtrace("Waypoint stuck");
 476                                 }
 477                         }
 478                 }
 479                 setsize(w, '0 0 0', '0 0 0');
 480         }
 481
 482         waypoint_clearlinks(w);
 483         //waypoint_schedulerelink(w);
 484
 485         waypoint_setupmodel(w);
 486
 487         return w;
 488 }
 489
 490 float trigger_push_get_push_time(entity this, vector endpos);
 491 void waypoint_addlink_for_custom_jumppad(entity wp_from, entity wp_to)
 492 {
 493         entity jp = NULL;
 494         IL_EACH(g_jumppads, boxesoverlap(wp_from.absmin, wp_from.absmax, it.absmin, it.absmax),
 495         {
 496                 jp = it;
 497                 break;
 498         });
 499         if (!jp)
 500                 return;
 501
 502         float cost = trigger_push_get_push_time(jp, wp_to.origin);
 503         wp_from.wp00 = wp_to;
 504         wp_from.wp00mincost = cost;
 505         jp.nearestwaypoint = wp_from;
 506         jp.nearestwaypointtimeout = -1;
 507 }
 508
 509 bool start_wp_is_spawned;
 510 vector start_wp_origin;
 511 bool start_wp_is_hardwired;
 512 bool start_wp_is_support;
 513
 514 void waypoint_clear_start_wp_globals(entity pl, bool warn)
 515 {
 516         start_wp_is_spawned = false;
 517         start_wp_origin = '0 0 0';
 518         pl.wp_locked = NULL;
 519         start_wp_is_hardwired = false;
 520         start_wp_is_support = false;
 521         if (warn)
 522                 LOG_INFO("^xf80Start waypoint has been cleared.\n");
 523 }
 524
 525 void waypoint_start_hardwiredlink(entity pl, bool at_crosshair)
 526 {
 527         entity wp = pl.nearestwaypoint;
 528         if (at_crosshair)
 529         {
 530                 crosshair_trace_waypoints(pl);
 531                 wp = trace_ent;
 532         }
 533         string err = "";
 534         if (start_wp_is_spawned && !start_wp_is_hardwired)
 535                 err = "can't hardwire while in the process of creating a special link";
 536         else if (!wp)
 537         {
 538                 if (at_crosshair)
 539                         err = "couldn't find any waypoint at crosshair";
 540                 else
 541                         err = "couldn't find any waypoint nearby";
 542         }
 543         else if (wp.wpflags & WPFLAGMASK_NORELINK)
 544                 err = "can't hardwire a waypoint with special links";
 545
 546         if (err == "")
 547         {
 548                 start_wp_is_hardwired = true;
 549                 start_wp_is_spawned = true;
 550                 start_wp_origin = wp.origin;
 551                 pl.wp_locked = wp;
 552                 LOG_INFOF("^x80fWaypoint %s marked as hardwired link origin.\n", vtos(wp.origin));
 553         }
 554         else
 555         {
 556                 start_wp_is_hardwired = false;
 557                 LOG_INFO("Error: ", err, "\n");
 558         }
 559 }
 560
 561 void waypoint_spawn_fromeditor(entity pl, bool at_crosshair, bool is_jump_wp, bool is_crouch_wp, bool is_support_wp)
 562 {
 563         if (WAYPOINT_VERSION < waypoint_version_loaded)
 564         {
 565                 LOG_INFOF("^1Editing waypoints with a higher version number (%f) is not allowed.\n"
 566                         "Update Xonotic to make them editable.", waypoint_version_loaded);
 567                 return;
 568         }
 569
 570         entity e = NULL, jp = NULL;
 571         vector org = pl.origin;
 572         if (at_crosshair)
 573         {
 574                 crosshair_trace_waypoints(pl);
 575                 org = trace_endpos;
 576                 if (!trace_ent)
 577                         org.z -= PL_MIN_CONST.z;
 578                 if (!(start_wp_is_hardwired || start_wp_is_support))
 579                         IL_EACH(g_jumppads, boxesoverlap(org + PL_MIN_CONST, org + PL_MAX_CONST, it.absmin, it.absmax),
 580                         {
 581                                 jp = it;
 582                                 break;
 583                         });
 584                 if (!jp && !start_wp_is_spawned && trace_ent)
 585                 {
 586                         if (trace_ent.wpflags & (WAYPOINTFLAG_JUMP))
 587                                 is_jump_wp = true;
 588                         else if (trace_ent.wpflags & (WAYPOINTFLAG_SUPPORT))
 589                                 is_support_wp = true;
 590                 }
 591         }
 592         if (jp || is_jump_wp || is_support_wp)
 593         {
 594                 if (start_wp_is_spawned)
 595                         start_wp_is_spawned = false;
 596                 LOG_INFO("^xf80Spawning start waypoint...\n");
 597         }
 598         int ctf_flags = havocbot_symmetry_origin_order;
 599         bool sym = ((autocvar_g_waypointeditor_symmetrical > 0 && ctf_flags >= 2)
 600                    || (autocvar_g_waypointeditor_symmetrical < 0));
 601         if(autocvar_g_waypointeditor_symmetrical_order >= 2)
 602                 ctf_flags = autocvar_g_waypointeditor_symmetrical_order;
 603         if (sym && ctf_flags < 2)
 604                 ctf_flags = 2;
 605         int wp_num = ctf_flags;
 606
 607         if(!PHYS_INPUT_BUTTON_CROUCH(pl) && !at_crosshair && !is_jump_wp && !is_support_wp)
 608         {
 609                 // snap waypoint to item's origin if close enough
 610                 IL_EACH(g_items, true,
 611                 {
 612                         vector item_org = (it.absmin + it.absmax) * 0.5;
 613                         item_org.z = it.absmin.z - PL_MIN_CONST.z;
 614                         if (vlen(item_org - org) < 20)
 615                         {
 616                                 org = item_org;
 617                                 break;
 618                         }
 619                 });
 620         }
 621
 622         vector start_org = '0 0 0';
 623         if (start_wp_is_spawned)
 624         {
 625                 if (!start_wp_is_hardwired)
 626                         LOG_INFO("^xf80Spawning destination waypoint...\n");
 627                 start_org = start_wp_origin;
 628         }
 629
 630         // save org as it can be modified spawning symmetrycal waypoints
 631         vector initial_origin = '0 0 0';
 632         bool initial_origin_is_set = false;
 633
 634         LABEL(add_wp);
 635
 636         if (jp)
 637         {
 638                 e = NULL;
 639                 IL_EACH(g_waypoints, (it.wpflags & WPFLAGMASK_NORELINK)
 640                         && boxesoverlap(org + PL_MIN_CONST, org + PL_MAX_CONST, it.absmin, it.absmax),
 641                 {
 642                         e = it; break;
 643                 });
 644                 if (!e)
 645                         e = waypoint_spawn(jp.absmin - PL_MAX_CONST + '1 1 1', jp.absmax - PL_MIN_CONST + '-1 -1 -1', WAYPOINTFLAG_TELEPORT);
 646                 if (!pl.wp_locked)
 647                         pl.wp_locked = e;
 648         }
 649         else if (is_jump_wp || is_support_wp)
 650         {
 651                 int type_flag = (is_jump_wp) ? WAYPOINTFLAG_JUMP : WAYPOINTFLAG_SUPPORT;
 652
 653                 entity wp_found = waypoint_get(org, org);
 654                 if (wp_found && !(wp_found.wpflags & type_flag))
 655                 {
 656                         LOG_INFOF("Error: can't spawn a %s waypoint over an existent waypoint of a different type\n", (is_jump_wp) ? "Jump" : "Support");
 657                         return;
 658                 }
 659                 e = waypoint_spawn(org, org, type_flag);
 660                 if (!pl.wp_locked)
 661                         pl.wp_locked = e;
 662         }
 663         else
 664                 e = waypoint_spawn(org, org, (is_crouch_wp) ? WAYPOINTFLAG_CROUCH : 0);
 665         if(!e)
 666         {
 667                 LOG_INFOF("Couldn't spawn waypoint at %v\n", org);
 668                 if (start_wp_is_spawned)
 669                         waypoint_clear_start_wp_globals(pl, true);
 670                 return;
 671         }
 672
 673         if (!initial_origin_is_set)
 674         {
 675                 initial_origin = e.origin;
 676                 initial_origin_is_set = true;
 677         }
 678
 679         entity start_wp = NULL;
 680         if (start_wp_is_spawned)
 681         {
 682                 IL_EACH(g_waypoints, (start_wp_is_hardwired || (it.wpflags & WPFLAGMASK_NORELINK))
 683                         && boxesoverlap(start_org, start_org, it.absmin, it.absmax),
 684                 {
 685                         start_wp = it; break;
 686                 });
 687                 if(!start_wp)
 688                 {
 689                         // should not happen
 690                         LOG_INFOF("Couldn't find start waypoint at %v\n", start_org);
 691                         waypoint_clear_start_wp_globals(pl, true);
 692                         return;
 693                 }
 694                 if (start_wp_is_hardwired)
 695                 {
 696                         if (waypoint_is_hardwiredlink(start_wp, e))
 697                         {
 698                                 waypoint_unmark_hardwiredlink(start_wp, e);
 699                                 waypoint_removelink(start_wp, e);
 700                                 string s = strcat(vtos(start_wp.origin), "*", vtos(e.origin));
 701                                 LOG_INFOF("^x80fRemoved hardwired link %s.\n", s);
 702                         }
 703                         else
 704                         {
 705                                 if (e.createdtime == time)
 706                                 {
 707                                         LOG_INFO("Error: hardwired links can be created only between 2 existing (and unconnected) waypoints.\n");
 708                                         waypoint_remove(e);
 709                                         waypoint_clear_start_wp_globals(pl, true);
 710                                         waypoint_spawn_fromeditor(pl, at_crosshair, is_jump_wp, is_crouch_wp, is_support_wp);
 711                                         return;
 712                                 }
 713                                 if (start_wp == e)
 714                                 {
 715                                         LOG_INFO("Error: start and destination waypoints coincide.\n");
 716                                         waypoint_clear_start_wp_globals(pl, true);
 717                                         return;
 718                                 }
 719                                 if (waypoint_islinked(start_wp, e))
 720                                 {
 721                                         LOG_INFO("Error: waypoints are already linked.\n");
 722                                         waypoint_clear_start_wp_globals(pl, true);
 723                                         return;
 724                                 }
 725                                 waypoint_addlink(start_wp, e);
 726                                 waypoint_mark_hardwiredlink(start_wp, e);
 727                                 string s = strcat(vtos(start_wp.origin), "*", vtos(e.origin));
 728                                 LOG_INFOF("^x80fAdded hardwired link %s.\n", s);
 729                         }
 730                 }
 731                 else
 732                 {
 733                         if (start_wp_is_support)
 734                         {
 735                                 if (e.SUPPORT_WP)
 736                                 {
 737                                         LOG_INFOF("Waypoint %v has already a support waypoint, delete it first.\n", e.origin);
 738                                         waypoint_clear_start_wp_globals(pl, true);
 739                                         return;
 740                                 }
 741                                 // clear all links to e
 742                                 IL_EACH(g_waypoints, it != e,
 743                                 {
 744                                         if (waypoint_islinked(it, e) && !waypoint_is_hardwiredlink(it, e))
 745                                                 waypoint_removelink(it, e);
 746                                 });
 747                         }
 748                         waypoint_addlink(start_wp, e);
 749                 }
 750         }
 751
 752         if (!(jp || is_jump_wp || is_support_wp || start_wp_is_hardwired))
 753                 waypoint_schedulerelink(e);
 754
 755         string wp_type_str = waypoint_get_type_name(e);
 756
 757         bprint(strcat(wp_type_str, "^7 spawned at ", vtos(e.origin), "\n"));
 758
 759         if (start_wp_is_spawned)
 760         {
 761                 pl.wp_locked = NULL;
 762                 if (!start_wp_is_hardwired)
 763                         waypoint_schedulerelink(start_wp);
 764                 if (start_wp.wpflags & WAYPOINTFLAG_TELEPORT)
 765                 {
 766                         if (start_wp.wp00_original == start_wp.wp00)
 767                                 start_wp.wpflags &= ~WAYPOINTFLAG_CUSTOM_JP;
 768                         else
 769                                 start_wp.wpflags |= WAYPOINTFLAG_CUSTOM_JP;
 770                 }
 771         }
 772
 773         if (sym)
 774         {
 775                 org = waypoint_getSymmetricalPoint(org, ctf_flags);
 776                 if (jp)
 777                 {
 778                         IL_EACH(g_jumppads, boxesoverlap(org + PL_MIN_CONST, org + PL_MAX_CONST, it.absmin, it.absmax),
 779                         {
 780                                 jp = it; break;
 781                         });
 782                 }
 783                 if (start_wp_is_spawned)
 784                         start_org = waypoint_getSymmetricalPoint(start_org, ctf_flags);
 785                 if (vdist(org - pl.origin, >, 32))
 786                 {
 787                         if(wp_num > 2)
 788                                 wp_num--;
 789                         else
 790                                 sym = false;
 791                         goto add_wp;
 792                 }
 793         }
 794         if (jp || is_jump_wp || is_support_wp)
 795         {
 796                 if (!start_wp_is_spawned)
 797                 {
 798                         // we've just created a custom jumppad waypoint
 799                         // the next one created by the user will be the destination waypoint
 800                         start_wp_is_spawned = true;
 801                         start_wp_origin = initial_origin;
 802                         if (is_support_wp)
 803                                 start_wp_is_support = true;
 804                 }
 805         }
 806         else if (start_wp_is_spawned)
 807         {
 808                 waypoint_clear_start_wp_globals(pl, false);
 809         }
 810 }
 811
 812 void waypoint_remove(entity wp)
 813 {
 814         IL_EACH(g_waypoints, it != wp,
 815         {
 816                 if (it.SUPPORT_WP == wp)
 817                 {
 818                         it.SUPPORT_WP = NULL;
 819                         waypoint_schedulerelink(it); // restore incoming links
 820                 }
 821                 if (waypoint_islinked(it, wp))
 822                 {
 823                         if (waypoint_is_hardwiredlink(it, wp))
 824                                 waypoint_unmark_hardwiredlink(it, wp);
 825                         waypoint_removelink(it, wp);
 826                 }
 827         });
 828         delete(wp);
 829 }
 830
 831 void waypoint_remove_fromeditor(entity pl)
 832 {
 833         if (WAYPOINT_VERSION < waypoint_version_loaded)
 834         {
 835                 LOG_INFOF("^1Editing waypoints with a higher version number (%f) is not allowed.\n"
 836                         "Update Xonotic to make them editable.", waypoint_version_loaded);
 837                 return;
 838         }
 839
 840         entity e = navigation_findnearestwaypoint(pl, false);
 841
 842         int ctf_flags = havocbot_symmetry_origin_order;
 843         bool sym = ((autocvar_g_waypointeditor_symmetrical > 0 && ctf_flags >= 2)
 844                    || (autocvar_g_waypointeditor_symmetrical < 0));
 845         if(autocvar_g_waypointeditor_symmetrical_order >= 2)
 846                 ctf_flags = autocvar_g_waypointeditor_symmetrical_order;
 847         if (sym && ctf_flags < 2)
 848                 ctf_flags = 2;
 849         int wp_num = ctf_flags;
 850
 851         LABEL(remove_wp);
 852         if (!e) return;
 853
 854         if (e.wpflags & WAYPOINTFLAG_GENERATED)
 855         {
 856                 if (start_wp_is_spawned)
 857                         waypoint_clear_start_wp_globals(pl, true);
 858                 return;
 859         }
 860
 861         if (waypoint_has_hardwiredlinks(e))
 862         {
 863                 LOG_INFO("Can't remove a waypoint with hardwired links, remove links with \"wpeditor hardwire\" first\n");
 864                 return;
 865         }
 866
 867         entity wp_sym = NULL;
 868         if (sym)
 869         {
 870                 vector org = waypoint_getSymmetricalPoint(e.origin, ctf_flags);
 871                 FOREACH_ENTITY_CLASS("waypoint", !(it.wpflags & WAYPOINTFLAG_GENERATED), {
 872                         if(vdist(org - it.origin, <, 3))
 873                         {
 874                                 wp_sym = it;
 875                                 break;
 876                         }
 877                 });
 878         }
 879
 880         bprint(strcat("Waypoint removed at ", vtos(e.origin), "\n"));
 881         te_explosion(e.origin);
 882         waypoint_remove(e);
 883
 884         if (sym && wp_sym)
 885         {
 886                 e = wp_sym;
 887                 if(wp_num > 2)
 888                         wp_num--;
 889                 else
 890                         sym = false;
 891                 goto remove_wp;
 892         }
 893
 894         if (start_wp_is_spawned)
 895                 waypoint_clear_start_wp_globals(pl, true);
 896 }
 897
 898 void waypoint_removelink(entity from, entity to)
 899 {
 900         if (from == to || ((from.wpflags & WPFLAGMASK_NORELINK) && !(from.wpflags & (WAYPOINTFLAG_JUMP | WAYPOINTFLAG_SUPPORT))))
 901                 return;
 902
 903         entity fromwp31_prev = from.wp31;
 904
 905         switch (waypoint_getlinknum(from, to))
 906         {
 907                 // fallthrough all the way
 908                 case  0: from.wp00 = from.wp01; from.wp00mincost = from.wp01mincost;
 909                 case  1: from.wp01 = from.wp02; from.wp01mincost = from.wp02mincost;
 910                 case  2: from.wp02 = from.wp03; from.wp02mincost = from.wp03mincost;
 911                 case  3: from.wp03 = from.wp04; from.wp03mincost = from.wp04mincost;
 912                 case  4: from.wp04 = from.wp05; from.wp04mincost = from.wp05mincost;
 913                 case  5: from.wp05 = from.wp06; from.wp05mincost = from.wp06mincost;
 914                 case  6: from.wp06 = from.wp07; from.wp06mincost = from.wp07mincost;
 915                 case  7: from.wp07 = from.wp08; from.wp07mincost = from.wp08mincost;
 916                 case  8: from.wp08 = from.wp09; from.wp08mincost = from.wp09mincost;
 917                 case  9: from.wp09 = from.wp10; from.wp09mincost = from.wp10mincost;
 918                 case 10: from.wp10 = from.wp11; from.wp10mincost = from.wp11mincost;
 919                 case 11: from.wp11 = from.wp12; from.wp11mincost = from.wp12mincost;
 920                 case 12: from.wp12 = from.wp13; from.wp12mincost = from.wp13mincost;
 921                 case 13: from.wp13 = from.wp14; from.wp13mincost = from.wp14mincost;
 922                 case 14: from.wp14 = from.wp15; from.wp14mincost = from.wp15mincost;
 923                 case 15: from.wp15 = from.wp16; from.wp15mincost = from.wp16mincost;
 924                 case 16: from.wp16 = from.wp17; from.wp16mincost = from.wp17mincost;
 925                 case 17: from.wp17 = from.wp18; from.wp17mincost = from.wp18mincost;
 926                 case 18: from.wp18 = from.wp19; from.wp18mincost = from.wp19mincost;
 927                 case 19: from.wp19 = from.wp20; from.wp19mincost = from.wp20mincost;
 928                 case 20: from.wp20 = from.wp21; from.wp20mincost = from.wp21mincost;
 929                 case 21: from.wp21 = from.wp22; from.wp21mincost = from.wp22mincost;
 930                 case 22: from.wp22 = from.wp23; from.wp22mincost = from.wp23mincost;
 931                 case 23: from.wp23 = from.wp24; from.wp23mincost = from.wp24mincost;
 932                 case 24: from.wp24 = from.wp25; from.wp24mincost = from.wp25mincost;
 933                 case 25: from.wp25 = from.wp26; from.wp25mincost = from.wp26mincost;
 934                 case 26: from.wp26 = from.wp27; from.wp26mincost = from.wp27mincost;
 935                 case 27: from.wp27 = from.wp28; from.wp27mincost = from.wp28mincost;
 936                 case 28: from.wp28 = from.wp29; from.wp28mincost = from.wp29mincost;
 937                 case 29: from.wp29 = from.wp30; from.wp29mincost = from.wp30mincost;
 938                 case 30: from.wp30 = from.wp31; from.wp30mincost = from.wp31mincost;
 939                 case 31: from.wp31 = NULL; from.wp31mincost = 10000000;
 940         }
 941
 942         if (fromwp31_prev && !from.wp31)
 943                 waypoint_schedulerelink(from);
 944 }
 945
 946 int waypoint_getlinknum(entity from, entity to)
 947 {
 948         if (from.wp00 == to) return  0; if (from.wp01 == to) return  1; if (from.wp02 == to) return  2; if (from.wp03 == to) return  3;
 949         if (from.wp04 == to) return  4; if (from.wp05 == to) return  5; if (from.wp06 == to) return  6; if (from.wp07 == to) return  7;
 950         if (from.wp08 == to) return  8; if (from.wp09 == to) return  9; if (from.wp10 == to) return 10; if (from.wp11 == to) return 11;
 951         if (from.wp12 == to) return 12; if (from.wp13 == to) return 13; if (from.wp14 == to) return 14; if (from.wp15 == to) return 15;
 952         if (from.wp16 == to) return 16; if (from.wp17 == to) return 17; if (from.wp18 == to) return 18; if (from.wp19 == to) return 19;
 953         if (from.wp20 == to) return 20; if (from.wp21 == to) return 21; if (from.wp22 == to) return 22; if (from.wp23 == to) return 23;
 954         if (from.wp24 == to) return 24; if (from.wp25 == to) return 25; if (from.wp26 == to) return 26; if (from.wp27 == to) return 27;
 955         if (from.wp28 == to) return 28; if (from.wp29 == to) return 29; if (from.wp30 == to) return 30; if (from.wp31 == to) return 31;
 956         return -1;
 957 }
 958
 959 bool waypoint_islinked(entity from, entity to)
 960 {
 961         return (waypoint_getlinknum(from, to) >= 0);
 962 }
 963
 964 void waypoint_updatecost_foralllinks()
 965 {
 966         IL_EACH(g_waypoints, !(it.wpflags & WAYPOINTFLAG_TELEPORT),
 967         {
 968                 if(it.wp00) it.wp00mincost = waypoint_getlinkcost(it, it.wp00);
 969                 if(it.wp01) it.wp01mincost = waypoint_getlinkcost(it, it.wp01);
 970                 if(it.wp02) it.wp02mincost = waypoint_getlinkcost(it, it.wp02);
 971                 if(it.wp03) it.wp03mincost = waypoint_getlinkcost(it, it.wp03);
 972                 if(it.wp04) it.wp04mincost = waypoint_getlinkcost(it, it.wp04);
 973                 if(it.wp05) it.wp05mincost = waypoint_getlinkcost(it, it.wp05);
 974                 if(it.wp06) it.wp06mincost = waypoint_getlinkcost(it, it.wp06);
 975                 if(it.wp07) it.wp07mincost = waypoint_getlinkcost(it, it.wp07);
 976                 if(it.wp08) it.wp08mincost = waypoint_getlinkcost(it, it.wp08);
 977                 if(it.wp09) it.wp09mincost = waypoint_getlinkcost(it, it.wp09);
 978                 if(it.wp10) it.wp10mincost = waypoint_getlinkcost(it, it.wp10);
 979                 if(it.wp11) it.wp11mincost = waypoint_getlinkcost(it, it.wp11);
 980                 if(it.wp12) it.wp12mincost = waypoint_getlinkcost(it, it.wp12);
 981                 if(it.wp13) it.wp13mincost = waypoint_getlinkcost(it, it.wp13);
 982                 if(it.wp14) it.wp14mincost = waypoint_getlinkcost(it, it.wp14);
 983                 if(it.wp15) it.wp15mincost = waypoint_getlinkcost(it, it.wp15);
 984                 if(it.wp16) it.wp16mincost = waypoint_getlinkcost(it, it.wp16);
 985                 if(it.wp17) it.wp17mincost = waypoint_getlinkcost(it, it.wp17);
 986                 if(it.wp18) it.wp18mincost = waypoint_getlinkcost(it, it.wp18);
 987                 if(it.wp19) it.wp19mincost = waypoint_getlinkcost(it, it.wp19);
 988                 if(it.wp20) it.wp20mincost = waypoint_getlinkcost(it, it.wp20);
 989                 if(it.wp21) it.wp21mincost = waypoint_getlinkcost(it, it.wp21);
 990                 if(it.wp22) it.wp22mincost = waypoint_getlinkcost(it, it.wp22);
 991                 if(it.wp23) it.wp23mincost = waypoint_getlinkcost(it, it.wp23);
 992                 if(it.wp24) it.wp24mincost = waypoint_getlinkcost(it, it.wp24);
 993                 if(it.wp25) it.wp25mincost = waypoint_getlinkcost(it, it.wp25);
 994                 if(it.wp26) it.wp26mincost = waypoint_getlinkcost(it, it.wp26);
 995                 if(it.wp27) it.wp27mincost = waypoint_getlinkcost(it, it.wp27);
 996                 if(it.wp28) it.wp28mincost = waypoint_getlinkcost(it, it.wp28);
 997                 if(it.wp29) it.wp29mincost = waypoint_getlinkcost(it, it.wp29);
 998                 if(it.wp30) it.wp30mincost = waypoint_getlinkcost(it, it.wp30);
 999                 if(it.wp31) it.wp31mincost = waypoint_getlinkcost(it, it.wp31);
1000         });
1001 }
1002
1003 float waypoint_getlinearcost(float dist)
1004 {
1005         if(skill >= autocvar_bot_ai_bunnyhop_skilloffset)
1006                 return dist / (autocvar_sv_maxspeed * 1.25);
1007         return dist / autocvar_sv_maxspeed;
1008 }
1009
1010 float waypoint_getlinearcost_underwater(float dist)
1011 {
1012         // NOTE: underwater speed factor is hardcoded in the engine too, see SV_WaterMove
1013         return dist / (autocvar_sv_maxspeed * 0.7);
1014 }
1015
1016 float waypoint_getlinearcost_crouched(float dist)
1017 {
1018         return dist / (autocvar_sv_maxspeed * 0.5);
1019 }
1020
1021 float waypoint_gettravelcost(vector from, vector to, entity from_ent, entity to_ent)
1022 {
1023         bool submerged_from = navigation_check_submerged_state(from_ent, from);
1024         bool submerged_to = navigation_check_submerged_state(to_ent, to);
1025
1026         if (submerged_from && submerged_to)
1027                 return waypoint_getlinearcost_underwater(vlen(to - from));
1028
1029         if ((from_ent.wpflags & WAYPOINTFLAG_CROUCH) && (to_ent.wpflags & WAYPOINTFLAG_CROUCH))
1030                 return waypoint_getlinearcost_crouched(vlen(to - from));
1031
1032         float c = waypoint_getlinearcost(vlen(to - from));
1033
1034         float height = from.z - to.z;
1035         if(height > jumpheight_vec.z && autocvar_sv_gravity > 0)
1036         {
1037                 float height_cost; // fall cost
1038                 if (from_ent.wpflags & WAYPOINTFLAG_JUMP)
1039                         height_cost = jumpheight_time + sqrt((height + jumpheight_vec.z) / (autocvar_sv_gravity / 2));
1040                 else
1041                         height_cost = sqrt(height / (autocvar_sv_gravity / 2));
1042                 c = waypoint_getlinearcost(vlen(vec2(to - from))); // xy distance cost
1043                 if(height_cost > c)
1044                         c = height_cost;
1045         }
1046
1047         // consider half path underwater
1048         if (submerged_from || submerged_to)
1049                 return (c + waypoint_getlinearcost_underwater(vlen(to - from))) / 2;
1050
1051         // consider half path crouched
1052         if ((from_ent.wpflags & WAYPOINTFLAG_CROUCH) || (to_ent.wpflags & WAYPOINTFLAG_CROUCH))
1053                 return (c + waypoint_getlinearcost_crouched(vlen(to - from))) / 2;
1054
1055         return c;
1056 }
1057
1058 float waypoint_getlinkcost(entity from, entity to)
1059 {
1060         vector v1 = from.origin;
1061         vector v2 = to.origin;
1062         if (from.wpisbox)
1063         {
1064                 vector m1 = from.absmin, m2 = from.absmax;
1065                 v1.x = bound(m1.x, v2.x, m2.x);
1066                 v1.y = bound(m1.y, v2.y, m2.y);
1067                 v1.z = bound(m1.z, v2.z, m2.z);
1068         }
1069         if (to.wpisbox)
1070         {
1071                 vector m1 = to.absmin, m2 = to.absmax;
1072                 v2.x = bound(m1.x, v1.x, m2.x);
1073                 v2.y = bound(m1.y, v1.y, m2.y);
1074                 v2.z = bound(m1.z, v1.z, m2.z);
1075         }
1076         return waypoint_gettravelcost(v1, v2, from, to);
1077 }
1078
1079 // add a new link to the spawnfunc_waypoint, replacing the furthest link it already has
1080 // if c == -1 automatically determine cost of the link
1081 void waypoint_addlink_customcost(entity from, entity to, float c)
1082 {
1083         if (from == to || waypoint_islinked(from, to))
1084                 return;
1085         if (c == -1 && (from.wpflags & WPFLAGMASK_NORELINK) && !(from.wpflags & (WAYPOINTFLAG_JUMP | WAYPOINTFLAG_SUPPORT)))
1086                 return;
1087
1088         if(c == -1)
1089                 c = waypoint_getlinkcost(from, to);
1090
1091         if (from.wp31mincost < c) return;
1092         if (from.wp30mincost < c) {from.wp31 = to;from.wp31mincost = c;return;} from.wp31 = from.wp30;from.wp31mincost = from.wp30mincost;
1093         if (from.wp29mincost < c) {from.wp30 = to;from.wp30mincost = c;return;} from.wp30 = from.wp29;from.wp30mincost = from.wp29mincost;
1094         if (from.wp28mincost < c) {from.wp29 = to;from.wp29mincost = c;return;} from.wp29 = from.wp28;from.wp29mincost = from.wp28mincost;
1095         if (from.wp27mincost < c) {from.wp28 = to;from.wp28mincost = c;return;} from.wp28 = from.wp27;from.wp28mincost = from.wp27mincost;
1096         if (from.wp26mincost < c) {from.wp27 = to;from.wp27mincost = c;return;} from.wp27 = from.wp26;from.wp27mincost = from.wp26mincost;
1097         if (from.wp25mincost < c) {from.wp26 = to;from.wp26mincost = c;return;} from.wp26 = from.wp25;from.wp26mincost = from.wp25mincost;
1098         if (from.wp24mincost < c) {from.wp25 = to;from.wp25mincost = c;return;} from.wp25 = from.wp24;from.wp25mincost = from.wp24mincost;
1099         if (from.wp23mincost < c) {from.wp24 = to;from.wp24mincost = c;return;} from.wp24 = from.wp23;from.wp24mincost = from.wp23mincost;
1100         if (from.wp22mincost < c) {from.wp23 = to;from.wp23mincost = c;return;} from.wp23 = from.wp22;from.wp23mincost = from.wp22mincost;
1101         if (from.wp21mincost < c) {from.wp22 = to;from.wp22mincost = c;return;} from.wp22 = from.wp21;from.wp22mincost = from.wp21mincost;
1102         if (from.wp20mincost < c) {from.wp21 = to;from.wp21mincost = c;return;} from.wp21 = from.wp20;from.wp21mincost = from.wp20mincost;
1103         if (from.wp19mincost < c) {from.wp20 = to;from.wp20mincost = c;return;} from.wp20 = from.wp19;from.wp20mincost = from.wp19mincost;
1104         if (from.wp18mincost < c) {from.wp19 = to;from.wp19mincost = c;return;} from.wp19 = from.wp18;from.wp19mincost = from.wp18mincost;
1105         if (from.wp17mincost < c) {from.wp18 = to;from.wp18mincost = c;return;} from.wp18 = from.wp17;from.wp18mincost = from.wp17mincost;
1106         if (from.wp16mincost < c) {from.wp17 = to;from.wp17mincost = c;return;} from.wp17 = from.wp16;from.wp17mincost = from.wp16mincost;
1107         if (from.wp15mincost < c) {from.wp16 = to;from.wp16mincost = c;return;} from.wp16 = from.wp15;from.wp16mincost = from.wp15mincost;
1108         if (from.wp14mincost < c) {from.wp15 = to;from.wp15mincost = c;return;} from.wp15 = from.wp14;from.wp15mincost = from.wp14mincost;
1109         if (from.wp13mincost < c) {from.wp14 = to;from.wp14mincost = c;return;} from.wp14 = from.wp13;from.wp14mincost = from.wp13mincost;
1110         if (from.wp12mincost < c) {from.wp13 = to;from.wp13mincost = c;return;} from.wp13 = from.wp12;from.wp13mincost = from.wp12mincost;
1111         if (from.wp11mincost < c) {from.wp12 = to;from.wp12mincost = c;return;} from.wp12 = from.wp11;from.wp12mincost = from.wp11mincost;
1112         if (from.wp10mincost < c) {from.wp11 = to;from.wp11mincost = c;return;} from.wp11 = from.wp10;from.wp11mincost = from.wp10mincost;
1113         if (from.wp09mincost < c) {from.wp10 = to;from.wp10mincost = c;return;} from.wp10 = from.wp09;from.wp10mincost = from.wp09mincost;
1114         if (from.wp08mincost < c) {from.wp09 = to;from.wp09mincost = c;return;} from.wp09 = from.wp08;from.wp09mincost = from.wp08mincost;
1115         if (from.wp07mincost < c) {from.wp08 = to;from.wp08mincost = c;return;} from.wp08 = from.wp07;from.wp08mincost = from.wp07mincost;
1116         if (from.wp06mincost < c) {from.wp07 = to;from.wp07mincost = c;return;} from.wp07 = from.wp06;from.wp07mincost = from.wp06mincost;
1117         if (from.wp05mincost < c) {from.wp06 = to;from.wp06mincost = c;return;} from.wp06 = from.wp05;from.wp06mincost = from.wp05mincost;
1118         if (from.wp04mincost < c) {from.wp05 = to;from.wp05mincost = c;return;} from.wp05 = from.wp04;from.wp05mincost = from.wp04mincost;
1119         if (from.wp03mincost < c) {from.wp04 = to;from.wp04mincost = c;return;} from.wp04 = from.wp03;from.wp04mincost = from.wp03mincost;
1120         if (from.wp02mincost < c) {from.wp03 = to;from.wp03mincost = c;return;} from.wp03 = from.wp02;from.wp03mincost = from.wp02mincost;
1121         if (from.wp01mincost < c) {from.wp02 = to;from.wp02mincost = c;return;} from.wp02 = from.wp01;from.wp02mincost = from.wp01mincost;
1122         if (from.wp00mincost < c) {from.wp01 = to;from.wp01mincost = c;return;} from.wp01 = from.wp00;from.wp01mincost = from.wp00mincost;
1123         from.wp00 = to;from.wp00mincost = c;return;
1124 }
1125
1126 void waypoint_addlink(entity from, entity to)
1127 {
1128         if ((from.wpflags & WPFLAGMASK_NORELINK) && !(from.wpflags & (WAYPOINTFLAG_JUMP | WAYPOINTFLAG_SUPPORT)))
1129                 waypoint_addlink_for_custom_jumppad(from, to);
1130         else
1131                 waypoint_addlink_customcost(from, to, -1);
1132
1133         if (from.wpflags & WAYPOINTFLAG_SUPPORT)
1134                 to.SUPPORT_WP = from;
1135 }
1136
1137 // relink this spawnfunc_waypoint
1138 // (precompile a list of all reachable waypoints from this spawnfunc_waypoint)
1139 // (SLOW!)
1140 void waypoint_think(entity this)
1141 {
1142         vector sv = '0 0 0', sv2 = '0 0 0', ev = '0 0 0', ev2 = '0 0 0', dv;
1143         float sv2_height = 0, ev2_height = 0;
1144
1145         bot_calculate_stepheightvec();
1146
1147         int dphitcontentsmask_save = this.dphitcontentsmask;
1148         this.dphitcontentsmask = DPCONTENTS_SOLID | DPCONTENTS_BODY | DPCONTENTS_PLAYERCLIP | DPCONTENTS_BOTCLIP;
1149
1150         bot_navigation_movemode = ((autocvar_bot_navigation_ignoreplayers) ? MOVE_NOMONSTERS : MOVE_NORMAL);
1151
1152         //dprint("waypoint_think wpisbox = ", ftos(this.wpisbox), "\n");
1153         IL_EACH(g_waypoints, this != it,
1154         {
1155                 if (boxesoverlap(this.absmin, this.absmax, it.absmin, it.absmax))
1156                 {
1157                         if (!(this.wpflags & WPFLAGMASK_NORELINK))
1158                                 waypoint_addlink(this, it);
1159                         if (!(it.wpflags & WPFLAGMASK_NORELINK))
1160                                 waypoint_addlink(it, this);
1161                 }
1162                 else
1163                 {
1164                         ++relink_total;
1165                         if(!checkpvs(this.origin, it))
1166                         {
1167                                 ++relink_pvsculled;
1168                                 continue;
1169                         }
1170
1171                         sv = set_tracewalk_dest_2(this, it.origin);
1172                         sv2 = tracewalk_dest;
1173                         sv2_height = tracewalk_dest_height;
1174                         ev = set_tracewalk_dest_2(it, this.origin);
1175                         ev2 = tracewalk_dest;
1176                         ev2_height = tracewalk_dest_height;
1177
1178                         dv = ev - sv;
1179                         dv.z = 0;
1180                         int maxdist = 1050;
1181                         vector m1 = PL_MIN_CONST;
1182                         vector m2 = PL_MAX_CONST;
1183
1184                         if ((this.wpflags & WAYPOINTFLAG_CROUCH) || (it.wpflags & WAYPOINTFLAG_CROUCH))
1185                         {
1186                                 m1 = PL_CROUCH_MIN_CONST;
1187                                 m2 = PL_CROUCH_MAX_CONST;
1188                                 // links from crouch wp to normal wp (and viceversa) are very short to avoid creating many links
1189                                 // that would be wasted due to rough travel cost calculation (the longer link is, the higher cost is)
1190                                 // links from crouch wp to crouch wp can be as long as normal links
1191                                 if (!((this.wpflags & WAYPOINTFLAG_CROUCH) && (it.wpflags & WAYPOINTFLAG_CROUCH)))
1192                                         maxdist = 100;
1193                         }
1194
1195                         if (vdist(dv, >=, maxdist)) // max search distance in XY
1196                         {
1197                                 ++relink_lengthculled;
1198                                 continue;
1199                         }
1200
1201                         navigation_testtracewalk = 0;
1202
1203                         //traceline(this.origin, it.origin, false, NULL);
1204                         //if (trace_fraction == 1)
1205                         if (this.wpisbox || (this.wpflags & (WAYPOINTFLAG_JUMP | WAYPOINTFLAG_SUPPORT)) // forbid outgoing links
1206                                 || it.SUPPORT_WP) // forbid incoming links
1207                         {
1208                                 relink_walkculled += 0.5;
1209                         }
1210                         else
1211                         {
1212                                 if (tracewalk(this, sv, m1, m2, ev2, ev2_height, MOVE_NOMONSTERS))
1213                                         waypoint_addlink(this, it);
1214                                 else
1215                                         relink_walkculled += 0.5;
1216                         }
1217
1218                         // reverse direction
1219                         if (it.wpisbox || (it.wpflags & (WAYPOINTFLAG_JUMP | WAYPOINTFLAG_SUPPORT)) // forbid incoming links
1220                                 || this.SUPPORT_WP) // forbid outgoing links
1221                         {
1222                                 relink_walkculled += 0.5;
1223                         }
1224                         else
1225                         {
1226                                 if (tracewalk(this, ev, m1, m2, sv2, sv2_height, MOVE_NOMONSTERS))
1227                                         waypoint_addlink(it, this);
1228                                 else
1229                                         relink_walkculled += 0.5;
1230                         }
1231                 }
1232         });
1233
1234         // waypoint_clearlinks preserves references to old hardwired links (.wphwXX links)
1235         // so they can be restored here when a wp is spawned over an existing one
1236         waypoint_restore_hardwiredlinks(this);
1237
1238         navigation_testtracewalk = 0;
1239         this.wplinked = true;
1240         this.dphitcontentsmask = dphitcontentsmask_save;
1241
1242         setthink(this, func_null);
1243         this.nextthink = 0;
1244 }
1245
1246 void waypoint_clearlinks(entity wp)
1247 {
1248         // clear links to other waypoints
1249         float f = 10000000;
1250         wp.wp00 = wp.wp01 = wp.wp02 = wp.wp03 = wp.wp04 = wp.wp05 = wp.wp06 = wp.wp07 = NULL;
1251         wp.wp08 = wp.wp09 = wp.wp10 = wp.wp11 = wp.wp12 = wp.wp13 = wp.wp14 = wp.wp15 = NULL;
1252         wp.wp16 = wp.wp17 = wp.wp18 = wp.wp19 = wp.wp20 = wp.wp21 = wp.wp22 = wp.wp23 = NULL;
1253         wp.wp24 = wp.wp25 = wp.wp26 = wp.wp27 = wp.wp28 = wp.wp29 = wp.wp30 = wp.wp31 = NULL;
1254
1255         wp.wp00mincost = wp.wp01mincost = wp.wp02mincost = wp.wp03mincost = wp.wp04mincost = wp.wp05mincost = wp.wp06mincost = wp.wp07mincost = f;
1256         wp.wp08mincost = wp.wp09mincost = wp.wp10mincost = wp.wp11mincost = wp.wp12mincost = wp.wp13mincost = wp.wp14mincost = wp.wp15mincost = f;
1257         wp.wp16mincost = wp.wp17mincost = wp.wp18mincost = wp.wp19mincost = wp.wp20mincost = wp.wp21mincost = wp.wp22mincost = wp.wp23mincost = f;
1258         wp.wp24mincost = wp.wp25mincost = wp.wp26mincost = wp.wp27mincost = wp.wp28mincost = wp.wp29mincost = wp.wp30mincost = wp.wp31mincost = f;
1259
1260         // don't remove references to hardwired links (.wphwXX fields)
1261
1262         wp.wplinked = false;
1263 }
1264
1265 // tell a spawnfunc_waypoint to relink
1266 void waypoint_schedulerelink(entity wp)
1267 {
1268         if (wp == NULL)
1269                 return;
1270
1271         waypoint_setupmodel(wp);
1272         wp.wpisbox = vdist(wp.size, >, 0);
1273         wp.enemy = NULL;
1274         if (!(wp.wpflags & WAYPOINTFLAG_PERSONAL))
1275                 wp.owner = NULL;
1276         if (!(wp.wpflags & WPFLAGMASK_NORELINK))
1277                 waypoint_clearlinks(wp);
1278         // schedule an actual relink on next frame
1279         setthink(wp, waypoint_think);
1280         wp.nextthink = time;
1281         wp.effects = EF_LOWPRECISION;
1282 }
1283
1284 // spawnfunc_waypoint map entity
1285 spawnfunc(waypoint)
1286 {
1287         IL_PUSH(g_waypoints, this);
1288
1289         setorigin(this, this.origin);
1290         // schedule a relink after other waypoints have had a chance to spawn
1291         waypoint_clearlinks(this);
1292         //waypoint_schedulerelink(this);
1293 }
1294
1295 // tell all waypoints to relink
1296 // actually this is useful only to update relink_* stats
1297 void waypoint_schedulerelinkall()
1298 {
1299         relink_total = relink_walkculled = relink_pvsculled = relink_lengthculled = 0;
1300         IL_EACH(g_waypoints, true,
1301         {
1302                 waypoint_schedulerelink(it);
1303         });
1304         waypoint_load_hardwiredlinks();
1305 }
1306
1307 #define GET_GAMETYPE_EXTENSION() ((g_race) ? ".race" : "")
1308
1309 // Load waypoint links from file
1310 bool waypoint_load_links()
1311 {
1312         string s;
1313         float file, tokens, c = 0, found;
1314         entity wp_from = NULL, wp_to;
1315         vector wp_to_pos, wp_from_pos;
1316
1317         string gt_ext = GET_GAMETYPE_EXTENSION();
1318
1319         string filename = sprintf("maps/%s.waypoints.cache", strcat(mapname, gt_ext));
1320         file = fopen(filename, FILE_READ);
1321
1322         if (gt_ext != "" && file < 0)
1323         {
1324                 // if race waypoint file doesn't exist load the default one
1325                 filename = sprintf("maps/%s.waypoints.cache", mapname);
1326                 file = fopen(filename, FILE_READ);
1327         }
1328
1329         if (file < 0)
1330         {
1331                 LOG_TRACE("waypoint links load from ", filename, " failed");
1332                 waypoint_schedulerelinkall();
1333                 return false;
1334         }
1335
1336         bool parse_comments = true;
1337         float ver = 0;
1338         string links_time = string_null;
1339
1340         while ((s = fgets(file)))
1341         {
1342                 if(parse_comments)
1343                 {
1344                         if(substring(s, 0, 2) == "//")
1345                         {
1346                                 if(substring(s, 2, 17) == "WAYPOINT_VERSION ")
1347                                         ver = stof(substring(s, 19, -1));
1348                                 else if(substring(s, 2, 14) == "WAYPOINT_TIME ")
1349                                         links_time = substring(s, 16, -1);
1350                                 continue;
1351                         }
1352                         else
1353                         {
1354                                 if(ver < WAYPOINT_VERSION || links_time != waypoint_time)
1355                                 {
1356                                         if (links_time != waypoint_time)
1357                                                 LOG_TRACE("waypoint links for this map are not made for these waypoints.");
1358                                         else
1359                                                 LOG_TRACE("waypoint links for this map are outdated.");
1360                                         if (g_assault)
1361                                         {
1362                                                 LOG_TRACE("Assault waypoint links need to be manually updated in the editor");
1363                                         }
1364                                         else
1365                                         {
1366                                                 LOG_TRACE("automatically updating...");
1367                                                 waypoint_schedulerelinkall();
1368                                                 fclose(file);
1369                                                 return false;
1370                                         }
1371                                 }
1372                                 parse_comments = false;
1373                         }
1374                 }
1375
1376                 tokens = tokenizebyseparator(s, "*");
1377
1378                 if (tokens!=2)
1379                 {
1380                         // bad file format
1381                         fclose(file);
1382                         waypoint_schedulerelinkall(); // link all the autogenerated waypoints (teleporters)
1383                         return false;
1384                 }
1385
1386                 wp_from_pos     = stov(argv(0));
1387                 wp_to_pos       = stov(argv(1));
1388
1389                 // Search "from" waypoint
1390                 if(!wp_from || wp_from.origin!=wp_from_pos)
1391                 {
1392                         wp_from = findradius(wp_from_pos, 1);
1393                         found = false;
1394                         while(wp_from)
1395                         {
1396                                 if(vdist(wp_from.origin - wp_from_pos, <, 1))
1397                                 if(wp_from.classname == "waypoint")
1398                                 {
1399                                         found = true;
1400                                         break;
1401                                 }
1402                                 wp_from = wp_from.chain;
1403                         }
1404
1405                         if(!found)
1406                         {
1407                                 LOG_TRACE("waypoint_load_links: couldn't find 'from' waypoint at ", vtos(wp_from_pos));
1408                                 continue;
1409                         }
1410                 }
1411
1412                 // Search "to" waypoint
1413                 wp_to = findradius(wp_to_pos, 1);
1414                 found = false;
1415                 while(wp_to)
1416                 {
1417                         if(vdist(wp_to.origin - wp_to_pos, <, 1))
1418                         if(wp_to.classname == "waypoint")
1419                         {
1420                                 found = true;
1421                                 break;
1422                         }
1423                         wp_to = wp_to.chain;
1424                 }
1425
1426                 if(!found)
1427                 {
1428                         LOG_TRACE("waypoint_load_links: couldn't find 'to' waypoint at ", vtos(wp_to_pos));
1429                         continue;
1430                 }
1431
1432                 ++c;
1433                 waypoint_addlink(wp_from, wp_to);
1434                 if (wp_from.wp00_original && wp_from.wp00_original != wp_from.wp00)
1435                         wp_from.wpflags |= WAYPOINTFLAG_CUSTOM_JP;
1436         }
1437
1438         fclose(file);
1439
1440         LOG_TRACE("loaded ", ftos(c), " waypoint links from ", filename);
1441
1442         bool scheduled = false;
1443         IL_EACH(g_waypoints, it.wpflags & WAYPOINTFLAG_ITEM,
1444         {
1445                 if (!it.wp00)
1446                 {
1447                         waypoint_schedulerelink(it);
1448                         scheduled = true;
1449                 }
1450         });
1451         if (scheduled)
1452                 return false;
1453
1454         botframe_cachedwaypointlinks = true;
1455         return true;
1456 }
1457
1458 void waypoint_load_hardwiredlinks()
1459 {
1460         string s;
1461         float file, tokens, c = 0, found;
1462         entity wp_from = NULL, wp_to;
1463         vector wp_to_pos, wp_from_pos;
1464
1465         string gt_ext = GET_GAMETYPE_EXTENSION();
1466
1467         string filename = sprintf("maps/%s.waypoints.hardwired", strcat(mapname, gt_ext));
1468         file = fopen(filename, FILE_READ);
1469
1470         if (gt_ext != "" && file < 0)
1471         {
1472                 // if race waypoint file doesn't exist load the default one
1473                 filename = sprintf("maps/%s.waypoints.hardwired", mapname);
1474                 file = fopen(filename, FILE_READ);
1475         }
1476
1477         botframe_loadedforcedlinks = true;
1478
1479         if (file < 0)
1480         {
1481                 LOG_TRACE("waypoint links load from ", filename, " failed");
1482                 return;
1483         }
1484
1485         bool is_special = false;
1486         while ((s = fgets(file)))
1487         {
1488                 if(substring(s, 0, 2)=="//")
1489                         continue;
1490
1491                 if(substring(s, 0, 1)=="#")
1492                         continue;
1493
1494                 // special links start with *, so old xonotic versions don't load them
1495                 is_special = false;
1496                 if (substring(s, 0, 1) == "*")
1497                 {
1498                         is_special = true;
1499                         s = substring(s, 1, -1);
1500                 }
1501
1502                 tokens = tokenizebyseparator(s, "*");
1503
1504                 if (tokens!=2)
1505                         continue;
1506
1507                 wp_from_pos     = stov(argv(0));
1508                 wp_to_pos       = stov(argv(1));
1509
1510                 // Search "from" waypoint
1511                 if(!wp_from || wp_from.origin!=wp_from_pos)
1512                 {
1513                         wp_from = findradius(wp_from_pos, 5);
1514                         found = false;
1515                         while(wp_from)
1516                         {
1517                                 if(vdist(wp_from.origin - wp_from_pos, <, 5))
1518                                 if(wp_from.classname == "waypoint")
1519                                 {
1520                                         found = true;
1521                                         break;
1522                                 }
1523                                 wp_from = wp_from.chain;
1524                         }
1525
1526                         if(!found)
1527                         {
1528                                 s = strcat(((is_special) ? "special link " : "hardwired link "), s);
1529                                 LOG_INFO("NOTICE: Can not find origin waypoint of the ", s, ". Path skipped");
1530                                 continue;
1531                         }
1532                 }
1533
1534                 // Search "to" waypoint
1535                 wp_to = findradius(wp_to_pos, 5);
1536                 found = false;
1537                 while(wp_to)
1538                 {
1539                         if(vdist(wp_to.origin - wp_to_pos, <, 5))
1540                         if(wp_to.classname == "waypoint")
1541                         {
1542                                 found = true;
1543                                 break;
1544                         }
1545                         wp_to = wp_to.chain;
1546                 }
1547
1548                 if(!found)
1549                 {
1550                         s = strcat(((is_special) ? "special link " : "hardwired link "), s);
1551                         LOG_INFO("NOTICE: Can not find destination waypoint of the ", s, ". Path skipped");
1552                         continue;
1553                 }
1554
1555                 ++c;
1556
1557                 if (!is_special)
1558                 {
1559                         waypoint_addlink(wp_from, wp_to);
1560                         waypoint_mark_hardwiredlink(wp_from, wp_to);
1561                 } else if (wp_from.wpflags & WPFLAGMASK_NORELINK
1562                         && ((wp_from.wpflags & (WAYPOINTFLAG_JUMP | WAYPOINTFLAG_SUPPORT))
1563                                 || (wp_from.wpisbox && wp_from.wpflags & WAYPOINTFLAG_TELEPORT)))
1564                 {
1565                         waypoint_addlink(wp_from, wp_to);
1566                 }
1567         }
1568
1569         fclose(file);
1570
1571         LOG_TRACE("loaded ", ftos(c), " waypoint links from maps/", mapname, ".waypoints.hardwired");
1572 }
1573
1574 float waypoint_get_assigned_link_cost(entity w, float i)
1575 {
1576         switch(i)
1577         {
1578                 case  0: return w.wp00mincost;
1579                 case  1: return w.wp01mincost;
1580                 case  2: return w.wp02mincost;
1581                 case  3: return w.wp03mincost;
1582                 case  4: return w.wp04mincost;
1583                 case  5: return w.wp05mincost;
1584                 case  6: return w.wp06mincost;
1585                 case  7: return w.wp07mincost;
1586                 case  8: return w.wp08mincost;
1587                 case  9: return w.wp09mincost;
1588                 case 10: return w.wp10mincost;
1589                 case 11: return w.wp11mincost;
1590                 case 12: return w.wp12mincost;
1591                 case 13: return w.wp13mincost;
1592                 case 14: return w.wp14mincost;
1593                 case 15: return w.wp15mincost;
1594                 case 16: return w.wp16mincost;
1595                 case 17: return w.wp17mincost;
1596                 case 18: return w.wp18mincost;
1597                 case 19: return w.wp19mincost;
1598                 case 20: return w.wp20mincost;
1599                 case 21: return w.wp21mincost;
1600                 case 22: return w.wp22mincost;
1601                 case 23: return w.wp23mincost;
1602                 case 24: return w.wp24mincost;
1603                 case 25: return w.wp25mincost;
1604                 case 26: return w.wp26mincost;
1605                 case 27: return w.wp27mincost;
1606                 case 28: return w.wp28mincost;
1607                 case 29: return w.wp29mincost;
1608                 case 30: return w.wp30mincost;
1609                 case 31: return w.wp31mincost;
1610                 default: return -1;
1611         }
1612 }
1613
1614 entity waypoint_get_link(entity w, float i)
1615 {
1616         switch(i)
1617         {
1618                 case  0:return w.wp00;
1619                 case  1:return w.wp01;
1620                 case  2:return w.wp02;
1621                 case  3:return w.wp03;
1622                 case  4:return w.wp04;
1623                 case  5:return w.wp05;
1624                 case  6:return w.wp06;
1625                 case  7:return w.wp07;
1626                 case  8:return w.wp08;
1627                 case  9:return w.wp09;
1628                 case 10:return w.wp10;
1629                 case 11:return w.wp11;
1630                 case 12:return w.wp12;
1631                 case 13:return w.wp13;
1632                 case 14:return w.wp14;
1633                 case 15:return w.wp15;
1634                 case 16:return w.wp16;
1635                 case 17:return w.wp17;
1636                 case 18:return w.wp18;
1637                 case 19:return w.wp19;
1638                 case 20:return w.wp20;
1639                 case 21:return w.wp21;
1640                 case 22:return w.wp22;
1641                 case 23:return w.wp23;
1642                 case 24:return w.wp24;
1643                 case 25:return w.wp25;
1644                 case 26:return w.wp26;
1645                 case 27:return w.wp27;
1646                 case 28:return w.wp28;
1647                 case 29:return w.wp29;
1648                 case 30:return w.wp30;
1649                 case 31:return w.wp31;
1650                 default:return NULL;
1651         }
1652 }
1653
1654 // Save all hardwired waypoint links to a file
1655 void waypoint_save_hardwiredlinks()
1656 {
1657         string gt_ext = GET_GAMETYPE_EXTENSION();
1658
1659         string filename = sprintf("maps/%s.waypoints.hardwired", strcat(mapname, gt_ext));
1660         int file = fopen(filename, FILE_WRITE);
1661         if (file < 0)
1662         {
1663                 LOG_TRACE("waypoint hardwired links ", filename, " creation failed");
1664                 return;
1665         }
1666
1667         // write hardwired links to file
1668         int count = 0;
1669         fputs(file, "// HARDWIRED LINKS\n");
1670         IL_EACH(g_waypoints, waypoint_has_hardwiredlinks(it),
1671         {
1672                 for (int j = 0; j < 32; ++j)
1673                 {
1674                         entity link = waypoint_get_link(it, j);
1675                         if (waypoint_is_hardwiredlink(it, link))
1676                         {
1677                                 // NOTE: vtos rounds vector components to 1 decimal place
1678                                 string s = strcat(vtos(it.origin), "*", vtos(link.origin), "\n");
1679                                 fputs(file, s);
1680                                 ++count;
1681                         }
1682                 }
1683         });
1684
1685         // write special links to file
1686         int count2 = 0;
1687         fputs(file, "\n// SPECIAL LINKS\n");
1688         IL_EACH(g_waypoints, it.wpflags & (WAYPOINTFLAG_JUMP | WAYPOINTFLAG_SUPPORT | WAYPOINTFLAG_CUSTOM_JP),
1689         {
1690                 for (int j = 0; j < 32; ++j)
1691                 {
1692                         entity link = waypoint_get_link(it, j);
1693                         if (link)
1694                         {
1695                                 // NOTE: vtos rounds vector components to 1 decimal place
1696                                 string s = strcat("*", vtos(it.origin), "*", vtos(link.origin), "\n");
1697                                 fputs(file, s);
1698                                 ++count2;
1699                         }
1700                 }
1701         });
1702
1703         fclose(file);
1704
1705         LOG_INFOF("saved %d hardwired links and %d special links to %s", count, count2, filename);
1706 }
1707
1708 // Save all waypoint links to a file
1709 void waypoint_save_links()
1710 {
1711         string gt_ext = GET_GAMETYPE_EXTENSION();
1712
1713         string filename = sprintf("maps/%s.waypoints.cache", strcat(mapname, gt_ext));
1714         int file = fopen(filename, FILE_WRITE);
1715         if (file < 0)
1716         {
1717                 LOG_INFOF("waypoint link save to %s failed", filename);
1718                 return;
1719         }
1720
1721         fputs(file, strcat("//", "WAYPOINT_VERSION ", ftos_decimals(WAYPOINT_VERSION, 2), "\n"));
1722         if (waypoint_time != "")
1723                 fputs(file, strcat("//", "WAYPOINT_TIME ", waypoint_time, "\n"));
1724
1725         int c = 0;
1726         IL_EACH(g_waypoints, !(it.wpflags & (WAYPOINTFLAG_JUMP | WAYPOINTFLAG_SUPPORT | WAYPOINTFLAG_CUSTOM_JP)),
1727         {
1728                 for(int j = 0; j < 32; ++j)
1729                 {
1730                         entity link = waypoint_get_link(it, j);
1731                         if (link && !waypoint_is_hardwiredlink(it, link))
1732                         {
1733                                 // NOTE: vtos rounds vector components to 1 decimal place
1734                                 string s = strcat(vtos(it.origin), "*", vtos(link.origin), "\n");
1735                                 fputs(file, s);
1736                                 ++c;
1737                         }
1738                 }
1739         });
1740         fclose(file);
1741
1742         botframe_cachedwaypointlinks = true;
1743
1744         LOG_INFOF("saved %d waypoint links to %s", c, filename);
1745 }
1746
1747 // save waypoints to gamedir/data/maps/mapname.waypoints
1748 void waypoint_saveall()
1749 {
1750         if (WAYPOINT_VERSION < waypoint_version_loaded)
1751         {
1752                 LOG_INFOF("^1Overwriting waypoints with a higher version number (%f) is not allowed.\n"
1753                         "Update Xonotic to make them editable.", waypoint_version_loaded);
1754                 return;
1755         }
1756         string gt_ext = GET_GAMETYPE_EXTENSION();
1757
1758         string filename = sprintf("maps/%s.waypoints", strcat(mapname, gt_ext));
1759         int file = fopen(filename, FILE_WRITE);
1760         if (file < 0)
1761         {
1762                 waypoint_save_links(); // save anyway?
1763                 botframe_loadedforcedlinks = false;
1764
1765                 LOG_INFOF("waypoint links: save to %s failed", filename);
1766                 return;
1767         }
1768
1769         float sym = autocvar_g_waypointeditor_symmetrical;
1770         string sym_str = ftos(sym);
1771         if (sym == -1 || (sym == 1 && autocvar_g_waypointeditor_symmetrical_order >= 2))
1772         {
1773                 if (sym == 1)
1774                 {
1775                         sym_str = cons(sym_str, "-");
1776                         sym_str = cons(sym_str, "-");
1777                 }
1778                 else
1779                 {
1780                         sym_str = cons(sym_str, ftos(autocvar_g_waypointeditor_symmetrical_origin.x));
1781                         sym_str = cons(sym_str, ftos(autocvar_g_waypointeditor_symmetrical_origin.y));
1782                 }
1783                 if (autocvar_g_waypointeditor_symmetrical_order >= 2)
1784                         sym_str = cons(sym_str, ftos(autocvar_g_waypointeditor_symmetrical_order));
1785         }
1786         else if (autocvar_g_waypointeditor_symmetrical == -2)
1787         {
1788                 sym_str = cons(sym_str, ftos(autocvar_g_waypointeditor_symmetrical_axis.x));
1789                 sym_str = cons(sym_str, ftos(autocvar_g_waypointeditor_symmetrical_axis.y));
1790         }
1791
1792         // a group of 3 comments doesn't break compatibility with older Xonotic versions
1793         // (they are read as a waypoint with origin '0 0 0' and flag 0 though)
1794         fputs(file, strcat("//", "WAYPOINT_VERSION ", ftos_decimals(WAYPOINT_VERSION, 2), "\n"));
1795         fputs(file, strcat("//", "WAYPOINT_SYMMETRY ", sym_str, "\n"));
1796
1797         strcpy(waypoint_time, strftime(true, "%Y-%m-%d %H:%M:%S"));
1798         fputs(file, strcat("//", "WAYPOINT_TIME ", waypoint_time, "\n"));
1799         //fputs(file, strcat("//", "\n"));
1800         //fputs(file, strcat("//", "\n"));
1801         //fputs(file, strcat("//", "\n"));
1802
1803         int c = 0;
1804         IL_EACH(g_waypoints, true,
1805         {
1806                 if(it.wpflags & WAYPOINTFLAG_GENERATED)
1807                         continue;
1808
1809                 string s;
1810                 // NOTE: vtos rounds vector components to 1 decimal place
1811                 s = strcat(vtos(it.origin + it.mins), "\n");
1812                 s = strcat(s, vtos(it.origin + it.maxs));
1813                 s = strcat(s, "\n");
1814                 s = strcat(s, ftos(it.wpflags));
1815                 s = strcat(s, "\n");
1816                 fputs(file, s);
1817                 c++;
1818         });
1819         fclose(file);
1820         waypoint_save_links();
1821         waypoint_save_hardwiredlinks();
1822
1823         botframe_loadedforcedlinks = false;
1824
1825         waypoint_version_loaded = WAYPOINT_VERSION;
1826         LOG_INFOF("saved %d waypoints to %s", c, filename);
1827 }
1828
1829 // load waypoints from file
1830 float waypoint_loadall()
1831 {
1832         string s;
1833         int file, cwp, cwb, fl;
1834         vector m1, m2;
1835         cwp = 0;
1836         cwb = 0;
1837
1838         string gt_ext = GET_GAMETYPE_EXTENSION();
1839
1840         string filename = sprintf("maps/%s.waypoints", strcat(mapname, gt_ext));
1841         file = fopen(filename, FILE_READ);
1842
1843         if (gt_ext != "" && file < 0)
1844         {
1845                 // if race waypoint file doesn't exist load the default one
1846                 filename = sprintf("maps/%s.waypoints", mapname);
1847                 file = fopen(filename, FILE_READ);
1848         }
1849
1850         if (file < 0)
1851         {
1852                 LOG_TRACE("waypoint load from ", filename, " failed");
1853                 return 0;
1854         }
1855
1856         bool parse_comments = true;
1857         float ver = 0;
1858         float sym = 0;
1859         float sym_param1 = 0, sym_param2 = 0, sym_param3 = 0;
1860
1861         while ((s = fgets(file)))
1862         {
1863                 if(parse_comments)
1864                 {
1865                         if(substring(s, 0, 2) == "//")
1866                         {
1867                                 if(substring(s, 2, 17) == "WAYPOINT_VERSION ")
1868                                         ver = stof(substring(s, 19, -1));
1869                                 else if(substring(s, 2, 18) == "WAYPOINT_SYMMETRY ")
1870                                 {
1871                                         int tokens = tokenizebyseparator(substring(s, 20, -1), " ");
1872                                         if (tokens) { sym = stof(argv(0)); }
1873                                         if (tokens > 1) { sym_param1 = stof(argv(1)); }
1874                                         if (tokens > 2) { sym_param2 = stof(argv(2)); }
1875                                         if (tokens > 3) { sym_param3 = stof(argv(3)); }
1876                                 }
1877                                 else if(substring(s, 2, 14) == "WAYPOINT_TIME ")
1878                                         strcpy(waypoint_time, substring(s, 16, -1));
1879                                 continue;
1880                         }
1881                         else
1882                         {
1883                                 if(floor(ver) < floor(WAYPOINT_VERSION))
1884                                 {
1885                                         LOG_TRACE("waypoints for this map are outdated");
1886                                         LOG_TRACE("please update them in the editor");
1887                                 }
1888                                 parse_comments = false;
1889                         }
1890                 }
1891                 m1 = stov(s);
1892                 s = fgets(file);
1893                 if (!s)
1894                         break;
1895                 m2 = stov(s);
1896                 s = fgets(file);
1897                 if (!s)
1898                         break;
1899                 fl = stof(s);
1900                 fl &= ~WAYPOINTFLAG_NORELINK__DEPRECATED;
1901                 waypoint_spawn(m1, m2, fl);
1902                 if (m1 == m2)
1903                         cwp = cwp + 1;
1904                 else
1905                         cwb = cwb + 1;
1906         }
1907         fclose(file);
1908         waypoint_version_loaded = ver;
1909         LOG_TRACE("loaded ", ftos(cwp), " waypoints and ", ftos(cwb), " wayboxes from maps/", mapname, ".waypoints");
1910
1911         if (autocvar_g_waypointeditor && autocvar_g_waypointeditor_symmetrical_allowload)
1912         {
1913                 string sym_str = "";
1914                 cvar_set("g_waypointeditor_symmetrical", ftos(sym));
1915                 if (sym == 1 && sym_param3 < 2)
1916                         cvar_set("g_waypointeditor_symmetrical_order", "0"); // make sure this is reset if not loaded
1917                 if (sym == -1 || (sym == 1 && sym_param3 >= 2))
1918                 {
1919                         string params;
1920                         if (sym == 1)
1921                                 params = cons("-", "-");
1922                         else
1923                         {
1924                                 params = cons(ftos(sym_param1), ftos(sym_param2));
1925                                 cvar_set("g_waypointeditor_symmetrical_origin", params);
1926                         }
1927                         cvar_set("g_waypointeditor_symmetrical_order", ftos(sym_param3));
1928                         sym_str = strcat(ftos(sym), " with origin ", params, " and order ", ftos(sym_param3));
1929                 }
1930                 else if (sym == -2)
1931                 {
1932                         string params = strcat(ftos(sym_param1), " ", ftos(sym_param2));
1933                         cvar_set("g_waypointeditor_symmetrical_axis", params);
1934                         sym_str = strcat(ftos(sym), " with axis ", params);
1935                 }
1936                 else
1937                         sym_str = ftos(sym);
1938                 if (sym_str != "")
1939                         LOG_INFO("Waypoint editor: loaded symmetry ", sym_str);
1940                 LOG_INFO(strcat("g_waypointeditor_symmetrical", " has been set to ", cvar_string("g_waypointeditor_symmetrical")));
1941         }
1942
1943         if (WAYPOINT_VERSION < waypoint_version_loaded)
1944                 LOG_INFOF("^1Editing waypoints with a higher version number (%f) is not allowed.\n"
1945                         "Update Xonotic to make them editable.", waypoint_version_loaded);
1946
1947         return cwp + cwb;
1948 }
1949
1950 #define waypoint_fixorigin(position, tracetest_ent) \
1951         waypoint_fixorigin_down_dir(position, tracetest_ent, '0 0 -1')
1952
1953 vector waypoint_fixorigin_down_dir(vector position, entity tracetest_ent, vector down_dir)
1954 {
1955         vector endpos = position + down_dir * 3000;
1956         tracebox(position + '0 0 1', PL_MIN_CONST, PL_MAX_CONST, endpos, MOVE_NOMONSTERS, tracetest_ent);
1957         if(trace_startsolid)
1958                 tracebox(position + '0 0 1' * (1 - PL_MIN_CONST.z / 2), PL_MIN_CONST, PL_MAX_CONST, endpos, MOVE_NOMONSTERS, tracetest_ent);
1959         if(trace_startsolid)
1960                 tracebox(position + '0 0 1' * (1 - PL_MIN_CONST.z), PL_MIN_CONST, PL_MAX_CONST, endpos, MOVE_NOMONSTERS, tracetest_ent);
1961         if(trace_fraction < 1)
1962                 position = trace_endpos;
1963         return position;
1964 }
1965
1966 void waypoint_spawnforitem_force(entity e, vector org)
1967 {
1968         // Fix the waypoint altitude if necessary
1969         org = waypoint_fixorigin(org, NULL);
1970
1971         // don't spawn an item spawnfunc_waypoint if it already exists
1972         IL_EACH(g_waypoints, true,
1973         {
1974                 if(it.wpisbox)
1975                 {
1976                         if(boxesoverlap(org, org, it.absmin, it.absmax))
1977                         {
1978                                 e.nearestwaypoint = it;
1979                                 return;
1980                         }
1981                 }
1982                 else
1983                 {
1984                         if(vdist(it.origin - org, <, 16))
1985                         {
1986                                 e.nearestwaypoint = it;
1987                                 return;
1988                         }
1989                 }
1990         });
1991
1992         e.nearestwaypoint = waypoint_spawn(org, org, WAYPOINTFLAG_GENERATED | WAYPOINTFLAG_ITEM);
1993 }
1994
1995 void waypoint_spawnforitem(entity e)
1996 {
1997         if(!bot_waypoints_for_items)
1998                 return;
1999
2000         waypoint_spawnforitem_force(e, e.origin);
2001 }
2002
2003 void waypoint_spawnforteleporter_boxes(entity e, int teleport_flag, vector org1, vector org2, vector destination1, vector destination2, float timetaken)
2004 {
2005         entity w;
2006         entity dw;
2007         w = waypoint_spawn(org1, org2, WAYPOINTFLAG_GENERATED | teleport_flag);
2008         dw = waypoint_spawn(destination1, destination2, WAYPOINTFLAG_GENERATED);
2009         // one way link to the destination
2010         w.wp00_original = dw;
2011         w.wp00 = dw;
2012         w.wp00mincost = timetaken; // this is just for jump pads
2013         // the teleporter's nearest spawnfunc_waypoint is this one
2014         // (teleporters are not goals, so this is probably useless)
2015         e.nearestwaypoint = w;
2016         e.nearestwaypointtimeout = -1;
2017 }
2018
2019 void waypoint_spawnforteleporter_wz(entity e, entity tracetest_ent)
2020 {
2021         float src_angle = e.warpzone_angles.x;
2022         while (src_angle < -180) src_angle += 360;
2023         while (src_angle > 180) src_angle -= 360;
2024
2025         float dest_angle = e.enemy.warpzone_angles.x;
2026         while (dest_angle < -180) dest_angle += 360;
2027         while (dest_angle > 180) dest_angle -= 360;
2028
2029         // no waypoints for warpzones pointing upwards, they can't be used by the bots
2030         if (src_angle == -90 || dest_angle == -90)
2031                 return;
2032
2033         makevectors(e.warpzone_angles);
2034         vector src = (e.absmin + e.absmax) * 0.5;
2035         src += ((e.warpzone_origin - src) * v_forward) * v_forward + 16 * v_right;
2036         vector down_dir_src = -v_up;
2037
2038         makevectors(e.enemy.warpzone_angles);
2039         vector dest = (e.enemy.absmin + e.enemy.absmax) * 0.5;
2040         dest += ((e.enemy.warpzone_origin - dest) * v_forward) * v_forward - 16 * v_right;
2041         vector down_dir_dest = -v_up;
2042
2043         int extra_flag = 0;
2044         // don't snap to the ground waypoints for source warpzones pointing downwards
2045         if (src_angle != 90)
2046         {
2047                 src = waypoint_fixorigin_down_dir(src, tracetest_ent, down_dir_src);
2048                 dest = waypoint_fixorigin_down_dir(dest, tracetest_ent, down_dir_dest);
2049                 // oblique warpzones need a jump otherwise bots gets stuck
2050                 if (src_angle != 0)
2051                         extra_flag = WAYPOINTFLAG_JUMP;
2052         }
2053
2054         waypoint_spawnforteleporter_boxes(e, WAYPOINTFLAG_TELEPORT | extra_flag, src, src, dest, dest, 0);
2055 }
2056
2057 void waypoint_spawnforteleporter(entity e, vector destination, float timetaken, entity tracetest_ent)
2058 {
2059         destination = waypoint_fixorigin(destination, tracetest_ent);
2060         waypoint_spawnforteleporter_boxes(e, WAYPOINTFLAG_TELEPORT, e.absmin - PL_MAX_CONST + '1 1 1', e.absmax - PL_MIN_CONST + '-1 -1 -1', destination, destination, timetaken);
2061 }
2062
2063 entity waypoint_spawnpersonal(entity this, vector position)
2064 {
2065         entity w;
2066
2067         // drop the waypoint to a proper location:
2068         //   first move it up by a player height
2069         //   then move it down to hit the floor with player bbox size
2070         position = waypoint_fixorigin(position, this);
2071
2072         w = waypoint_spawn(position, position, WAYPOINTFLAG_GENERATED | WAYPOINTFLAG_PERSONAL);
2073         w.nearestwaypoint = NULL;
2074         w.nearestwaypointtimeout = 0;
2075         w.owner = this;
2076
2077         waypoint_schedulerelink(w);
2078
2079         return w;
2080 }
2081
2082 void waypoint_showlink(entity wp1, entity wp2, int display_type)
2083 {
2084         if (!(wp1 && wp2))
2085                 return;
2086
2087         if (waypoint_is_hardwiredlink(wp1, wp2) || (wp1.wpflags & (WAYPOINTFLAG_JUMP | WAYPOINTFLAG_SUPPORT | WAYPOINTFLAG_CUSTOM_JP)))
2088                 te_beam(NULL, wp1.origin, wp2.origin);
2089         else if (display_type == 1)
2090                 te_lightning2(NULL, wp1.origin, wp2.origin);
2091 }
2092
2093 void waypoint_showlinks_to(entity wp, int display_type)
2094 {
2095         IL_EACH(g_waypoints, it != wp,
2096         {
2097                 if (waypoint_islinked(it, wp))
2098                         waypoint_showlink(it, wp, display_type);
2099         });
2100 }
2101
2102 void waypoint_showlinks_from(entity wp, int display_type)
2103 {
2104         waypoint_showlink(wp, wp.wp00, display_type); waypoint_showlink(wp, wp.wp16, display_type);
2105         waypoint_showlink(wp, wp.wp01, display_type); waypoint_showlink(wp, wp.wp17, display_type);
2106         waypoint_showlink(wp, wp.wp02, display_type); waypoint_showlink(wp, wp.wp18, display_type);
2107         waypoint_showlink(wp, wp.wp03, display_type); waypoint_showlink(wp, wp.wp19, display_type);
2108         waypoint_showlink(wp, wp.wp04, display_type); waypoint_showlink(wp, wp.wp20, display_type);
2109         waypoint_showlink(wp, wp.wp05, display_type); waypoint_showlink(wp, wp.wp21, display_type);
2110         waypoint_showlink(wp, wp.wp06, display_type); waypoint_showlink(wp, wp.wp22, display_type);
2111         waypoint_showlink(wp, wp.wp07, display_type); waypoint_showlink(wp, wp.wp23, display_type);
2112         waypoint_showlink(wp, wp.wp08, display_type); waypoint_showlink(wp, wp.wp24, display_type);
2113         waypoint_showlink(wp, wp.wp09, display_type); waypoint_showlink(wp, wp.wp25, display_type);
2114         waypoint_showlink(wp, wp.wp10, display_type); waypoint_showlink(wp, wp.wp26, display_type);
2115         waypoint_showlink(wp, wp.wp11, display_type); waypoint_showlink(wp, wp.wp27, display_type);
2116         waypoint_showlink(wp, wp.wp12, display_type); waypoint_showlink(wp, wp.wp28, display_type);
2117         waypoint_showlink(wp, wp.wp13, display_type); waypoint_showlink(wp, wp.wp29, display_type);
2118         waypoint_showlink(wp, wp.wp14, display_type); waypoint_showlink(wp, wp.wp30, display_type);
2119         waypoint_showlink(wp, wp.wp15, display_type); waypoint_showlink(wp, wp.wp31, display_type);
2120 }
2121
2122 void crosshair_trace_waypoints(entity pl)
2123 {
2124         IL_EACH(g_waypoints, true, {
2125                 it.solid = SOLID_BSP;
2126                 if (!it.wpisbox)
2127                         setsize(it, '-16 -16 -16', '16 16 16');
2128         });
2129
2130         WarpZone_crosshair_trace(pl);
2131
2132         IL_EACH(g_waypoints, true, {
2133                 it.solid = SOLID_TRIGGER;
2134                 if (!it.wpisbox)
2135                         setsize(it, '0 0 0', '0 0 0');
2136         });
2137
2138         if (trace_ent.classname != "waypoint")
2139                 trace_ent = NULL;
2140         else if (!trace_ent.wpisbox)
2141                 trace_endpos = trace_ent.origin;
2142 }
2143
2144 void botframe_showwaypointlinks()
2145 {
2146         if (time < botframe_waypointeditorlightningtime)
2147                 return;
2148         botframe_waypointeditorlightningtime = time + 0.5;
2149         FOREACH_CLIENT(IS_PLAYER(it) && !it.isbot,
2150         {
2151                 int display_type = 0;
2152                 if (wasfreed(it.wp_aimed))
2153                         it.wp_aimed = NULL;
2154                 if (wasfreed(it.wp_locked))
2155                         it.wp_locked = NULL;
2156                 entity head = it.wp_locked;
2157                 if (!head)
2158                         head = navigation_findnearestwaypoint(it, false);
2159                 it.nearestwaypoint = head; // mainly useful for debug
2160                 it.nearestwaypointtimeout = time + 2; // while I'm at it...
2161                 if (IS_ONGROUND(it) || it.waterlevel > WATERLEVEL_NONE || it.wp_locked)
2162                         display_type = 1; // default
2163                 else if(waypoint_has_hardwiredlinks(head))
2164                         display_type = 2; // only hardwired
2165
2166                 if (display_type)
2167                 {
2168                         //navigation_testtracewalk = true;
2169                         //print("currently selected WP is ", etos(head), "\n");
2170                         //navigation_testtracewalk = false;
2171                         if (head)
2172                         {
2173                                 te_lightning2(NULL, head.origin, it.origin);
2174                                 if(PHYS_INPUT_BUTTON_CROUCH(it))
2175                                         waypoint_showlinks_to(head, display_type);
2176                                 else
2177                                         waypoint_showlinks_from(head, display_type);
2178                         }
2179                 }
2180                 string str;
2181                 entity wp = NULL;
2182                 if (vdist(vec2(it.velocity), <, autocvar_sv_maxspeed * 1.1))
2183                 {
2184                         crosshair_trace_waypoints(it);
2185                         if (trace_ent)
2186                         {
2187                                 wp = trace_ent;
2188                                 if (wp != it.wp_aimed)
2189                                 {
2190                                         string wp_type_str = waypoint_get_type_name(wp);
2191                                         str = sprintf("\necho Entity %d: %s^7, flags: %d, origin: %s\n", etof(wp), wp_type_str, wp.wpflags, vtos(wp.origin));
2192                                         if (wp.wpisbox)
2193                                                 str = strcat(str, sprintf("echo \" absmin: %s, absmax: %s\"\n", vtos(wp.absmin), vtos(wp.absmax)));
2194                                         stuffcmd(it, str);
2195                                         str = sprintf("Entity %d: %s^7\nflags: %d\norigin: %s", etof(wp), wp_type_str, wp.wpflags, vtos(wp.origin));
2196                                         if (wp.wpisbox)
2197                                                 str = strcat(str, sprintf(" \nabsmin: %s\nabsmax: %s", vtos(wp.absmin), vtos(wp.absmax)));
2198                                         debug_text_3d(wp.origin, str, 0, 7, '0 0 0');
2199                                 }
2200                         }
2201                 }
2202                 if (it.wp_aimed != wp)
2203                         it.wp_aimed = wp;
2204         });
2205 }
2206
2207 float botframe_autowaypoints_fixdown(vector v)
2208 {
2209         tracebox(v, PL_MIN_CONST, PL_MAX_CONST, v + '0 0 -64', MOVE_NOMONSTERS, NULL);
2210         if(trace_fraction >= 1)
2211                 return 0;
2212         return 1;
2213 }
2214
2215 float botframe_autowaypoints_createwp(vector v, entity p, .entity fld, float f)
2216 {
2217         IL_EACH(g_waypoints, boxesoverlap(v - '32 32 32', v + '32 32 32', it.absmin, it.absmax),
2218         {
2219                 // if a matching spawnfunc_waypoint already exists, don't add a duplicate
2220                 return 0;
2221         });
2222
2223         waypoint_schedulerelink(p.(fld) = waypoint_spawn(v, v, f));
2224         return 1;
2225 }
2226
2227 // return value:
2228 //    1 = WP created
2229 //    0 = no action needed
2230 //   -1 = temp fail, try from world too
2231 //   -2 = permanent fail, do not retry
2232 float botframe_autowaypoints_fix_from(entity p, float walkfromwp, entity wp, .entity fld)
2233 {
2234         // make it possible to go from p to wp, if we can
2235         // if wp is NULL, nearest is chosen
2236
2237         entity w;
2238         vector porg;
2239         float t, tmin, tmax;
2240         vector o;
2241         vector save;
2242
2243         if(!botframe_autowaypoints_fixdown(p.origin))
2244                 return -2;
2245         porg = trace_endpos;
2246
2247         if(wp)
2248         {
2249                 // if any WP w fulfills wp -> w -> porg and w is closer than wp, then switch from wp to w
2250
2251                 // if wp -> porg, then OK
2252                 float maxdist;
2253                 if(navigation_waypoint_will_link(wp.origin, porg, p, porg, 0, wp.origin, 0, walkfromwp, 1050))
2254                 {
2255                         // we may find a better one
2256                         maxdist = vlen(wp.origin - porg);
2257                 }
2258                 else
2259                 {
2260                         // accept any "good"
2261                         maxdist = 2100;
2262                 }
2263
2264                 float bestdist = maxdist;
2265                 IL_EACH(g_waypoints, it != wp && !(it.wpflags & WPFLAGMASK_NORELINK),
2266                 {
2267                         float d = vlen(wp.origin - it.origin) + vlen(it.origin - porg);
2268                         if(d < bestdist)
2269                         if(navigation_waypoint_will_link(wp.origin, it.origin, p, it.origin, 0, wp.origin, 0, walkfromwp, 1050))
2270                         if(navigation_waypoint_will_link(it.origin, porg, p, porg, 0, it.origin, 0, walkfromwp, 1050))
2271                         {
2272                                 bestdist = d;
2273                                 p.(fld) = it;
2274                         }
2275                 });
2276                 if(bestdist < maxdist)
2277                 {
2278                         LOG_INFO("update chain to new nearest WP ", etos(p.(fld)));
2279                         return 0;
2280                 }
2281
2282                 if(bestdist < 2100)
2283                 {
2284                         // we know maxdist < 2100
2285                         // so wp -> porg is still valid
2286                         // all is good
2287                         p.(fld) = wp;
2288                         return 0;
2289                 }
2290
2291                 // otherwise, no existing WP can fix our issues
2292         }
2293         else
2294         {
2295                 save = p.origin;
2296                 setorigin(p, porg);
2297                 w = navigation_findnearestwaypoint(p, walkfromwp);
2298                 setorigin(p, save);
2299                 if(w)
2300                 {
2301                         p.(fld) = w;
2302                         return 0;
2303                 }
2304         }
2305
2306         tmin = 0;
2307         tmax = 1;
2308         for (;;)
2309         {
2310                 if(tmax - tmin < 0.001)
2311                 {
2312                         // did not get a good candidate
2313                         return -1;
2314                 }
2315
2316                 t = (tmin + tmax) * 0.5;
2317                 o = antilag_takebackorigin(p, CS(p), time - t);
2318                 if(!botframe_autowaypoints_fixdown(o))
2319                         return -2;
2320                 o = trace_endpos;
2321
2322                 if(wp)
2323                 {
2324                         if(!navigation_waypoint_will_link(wp.origin, o, p, o, 0, wp.origin, 0, walkfromwp, 1050))
2325                         {
2326                                 // we cannot walk from wp.origin to o
2327                                 // get closer to tmax
2328                                 tmin = t;
2329                                 continue;
2330                         }
2331                 }
2332                 else
2333                 {
2334                         save = p.origin;
2335                         setorigin(p, o);
2336                         w = navigation_findnearestwaypoint(p, walkfromwp);
2337                         setorigin(p, save);
2338                         if(!w)
2339                         {
2340                                 // we cannot walk from any WP to o
2341                                 // get closer to tmax
2342                                 tmin = t;
2343                                 continue;
2344                         }
2345                 }
2346
2347                 // if we get here, o is valid regarding waypoints
2348                 // check if o is connected right to the player
2349                 // we break if it succeeds, as that means o is a good waypoint location
2350                 if(navigation_waypoint_will_link(o, porg, p, porg, 0, o, 0, walkfromwp, 1050))
2351                         break;
2352
2353                 // o is no good, we need to get closer to the player
2354                 tmax = t;
2355         }
2356
2357         LOG_INFO("spawning a waypoint for connecting to ", etos(wp));
2358         botframe_autowaypoints_createwp(o, p, fld, 0);
2359         return 1;
2360 }
2361
2362 // automatically create missing waypoints
2363 void botframe_autowaypoints_fix(entity p, float walkfromwp, .entity fld)
2364 {
2365         float r = botframe_autowaypoints_fix_from(p, walkfromwp, p.(fld), fld);
2366         if(r != -1)
2367                 return;
2368         r = botframe_autowaypoints_fix_from(p, walkfromwp, NULL, fld);
2369         if(r != -1)
2370                 return;
2371
2372         LOG_INFO("emergency: got no good nearby WP to build a link from, starting a new chain");
2373         if(!botframe_autowaypoints_fixdown(p.origin))
2374                 return; // shouldn't happen, caught above
2375         botframe_autowaypoints_createwp(trace_endpos, p, fld, WAYPOINTFLAG_PROTECTED);
2376 }
2377
2378 void botframe_deleteuselesswaypoints()
2379 {
2380         IL_EACH(g_items, it.bot_pickup,
2381         {
2382                 // NOTE: this protects waypoints if they're the ONLY nearest
2383                 // waypoint. That's the intention.
2384                 navigation_findnearestwaypoint(it, false);  // Walk TO item.
2385                 navigation_findnearestwaypoint(it, true);  // Walk FROM item.
2386         });
2387         IL_EACH(g_waypoints, true,
2388         {
2389                 it.wpflags |= WAYPOINTFLAG_DEAD_END;
2390                 it.wpflags &= ~WAYPOINTFLAG_USEFUL;
2391                 // WP is useful if:
2392                 if (it.wpflags & WAYPOINTFLAG_ITEM)
2393                         it.wpflags |= WAYPOINTFLAG_USEFUL;
2394                 if (it.wpflags & WAYPOINTFLAG_TELEPORT)
2395                         it.wpflags |= WAYPOINTFLAG_USEFUL;
2396                 if (it.wpflags & WAYPOINTFLAG_LADDER)
2397                         it.wpflags |= WAYPOINTFLAG_USEFUL;
2398                 if (it.wpflags & WAYPOINTFLAG_PROTECTED)
2399                         it.wpflags |= WAYPOINTFLAG_USEFUL;
2400                 // b) WP is closest WP for an item/spawnpoint/other entity
2401                 //    This has been done above by protecting these WPs.
2402         });
2403         // c) There are w1, w, w2 so that w1 -> w, w -> w2 and not w1 -> w2.
2404         IL_EACH(g_waypoints, !(it.wpflags & WAYPOINTFLAG_PERSONAL),
2405         {
2406                 for (int m = 0; m < 32; ++m)
2407                 {
2408                         entity w = waypoint_get_link(it, m);
2409                         if (!w)
2410                                 break;
2411                         if (w.wpflags & WAYPOINTFLAG_PERSONAL)
2412                                 continue;
2413                         if (w.wpflags & WAYPOINTFLAG_USEFUL)
2414                                 continue;
2415                         for (int j = 0; j < 32; ++j)
2416                         {
2417                                 entity w2 = waypoint_get_link(w, j);
2418                                 if (!w2)
2419                                         break;
2420                                 if (it == w2)
2421                                         continue;
2422                                 if (w2.wpflags & WAYPOINTFLAG_PERSONAL)
2423                                         continue;
2424                                 // If we got here, it != w2 exist with it -> w
2425                                 // and w -> w2. That means the waypoint is not
2426                                 // a dead end.
2427                                 w.wpflags &= ~WAYPOINTFLAG_DEAD_END;
2428                                 for (int k = 0; k < 32; ++k)
2429                                 {
2430                                         if (waypoint_get_link(it, k) == w2)
2431                                                 continue;
2432                                         // IF WE GET HERE, w is proven useful
2433                                         // to get from it to w2!
2434                                         w.wpflags |= WAYPOINTFLAG_USEFUL;
2435                                         goto next;
2436                                 }
2437                         }
2438 LABEL(next)
2439                 }
2440         });
2441         // d) The waypoint is a dead end. Dead end waypoints must be kept as
2442         //     they are needed to complete routes while autowaypointing.
2443
2444         IL_EACH(g_waypoints, !(it.wpflags & (WAYPOINTFLAG_USEFUL | WAYPOINTFLAG_DEAD_END)),
2445         {
2446                 LOG_INFOF("Removed a waypoint at %v. Try again for more!", it.origin);
2447                 te_explosion(it.origin);
2448                 waypoint_remove(it);
2449                 break;
2450         });
2451
2452         IL_EACH(g_waypoints, true,
2453         {
2454                 it.wpflags &= ~(WAYPOINTFLAG_USEFUL | WAYPOINTFLAG_DEAD_END); // temp flag
2455         });
2456 }
2457
2458 //.entity botframe_autowaypoints_lastwp0;
2459 .entity botframe_autowaypoints_lastwp1;
2460 void botframe_autowaypoints()
2461 {
2462         FOREACH_CLIENT(IS_PLAYER(it) && IS_REAL_CLIENT(it) && !IS_DEAD(it), {
2463                 // going back is broken, so only fix waypoints to walk TO the player
2464                 //botframe_autowaypoints_fix(p, false, botframe_autowaypoints_lastwp0);
2465                 botframe_autowaypoints_fix(it, true, botframe_autowaypoints_lastwp1);
2466                 //te_explosion(p.botframe_autowaypoints_lastwp0.origin);
2467         });
2468
2469         if (autocvar_g_waypointeditor_auto >= 2) {
2470                 botframe_deleteuselesswaypoints();
2471         }
2472 }
2473